CN106865899A - A kind of oil gas field high slat-containing wastewater biochemical processing - Google Patents
A kind of oil gas field high slat-containing wastewater biochemical processing Download PDFInfo
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- CN106865899A CN106865899A CN201710154804.0A CN201710154804A CN106865899A CN 106865899 A CN106865899 A CN 106865899A CN 201710154804 A CN201710154804 A CN 201710154804A CN 106865899 A CN106865899 A CN 106865899A
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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
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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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
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
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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
- C02F3/28—Anaerobic digestion processes
Abstract
The invention discloses a kind of oil gas field high slat-containing wastewater biochemical processing, it is characterized in that, including pretreatment unit, preaeration unit, hydrolysis acidification pool, aerobic oxidation unit, mudpan, bio-contact oxidation unit, coagulating sedimentation unit and sand filtration unit；The beneficial effects of the invention are as follows：Water outlet is pre-processed to fracturing outlet liquid to be adjusted, have the effect of water quality adjustment, lower water temperature, runoff investigation concurrently by preaeration unit；Combined by hydrolysis acidification pool and subsequent technique, reduce processing cost and improve treatment effeciency；Biological metabolism is carried out in the presence of oxygen by using aerobic microbiological with degradation of organic substances；The biomembrane and the oxygen of ample supply being attached on filler using dwelling by bio-contact oxidation unit, by biological oxidation, the oxidation operation in waste water are decomposed, and reach purification purpose.
Description
Technical field
The invention belongs to oilfield treatments technical field, and in particular to be a kind of oil gas field high slat-containing wastewater biochemical treatment skill
Art.
Background technology
Oil as modern society one of the indispensable energy, its main source is the exploitation in oil field, an oil-containing
And then construction will carry out visiting in detail and progressively input exploitation after pre-test finds that it has commercial hydrocarbon flow.So-called oil
Field is developed, and is exactly according to achievement and necessary productivity development experiments are visited in detail, to industrial valency on the basis of comprehensive study
The oil field of value, the requirement according to country to crude oil production, from the actual conditions and production law in oil field, is made rational
Development plan is simultaneously built and is gone into operation to oil field, makes oil field by predetermined production capacity and economic effect long-term production, until
The overall process of end-of-development.
And in oilfield development process, the wide variety of increasing yield and injection mode of oil-water well measure, with inevitable in treatment process
Substantial amounts of measure is produced to return discharge opeing, with complicated component, physicochemical property be changeable, treatment and the features such as big transport difficulty；It is same with this
When with the implementation of new two method, how efficient and rational treatment measures waste liquid, bottleneck problem as the development of puzzlement oil field it
One, therefore, carry out the research of measure liquid waste disposal technique to oil field great significance.
The content of the invention
The problem to be solved in the present invention is to provide the oil that a kind of purification efficiency is high, good purification, operating cost is low
Gas field high slat-containing wastewater biochemical processing.
To achieve the above object, the technical solution adopted by the present invention is, a kind of oil gas field high slat-containing wastewater biochemical treatment skill
Art, is characterized in that, including pretreatment unit, preaeration unit, hydrolysis acidification pool, aerobic oxidation unit, mudpan,
Bio-contact oxidation unit, coagulating sedimentation unit and sand filtration unit；Pretreatment unit is connected with preaeration unit, preaeration unit
It is connected with hydrolysis acidification pool, hydrolysis acidification pool is connected with aerobic oxidation unit, aerobic oxidation unit is connected with mudpan, it is dirty
Mud sedimentation basin is connected with bio-contact oxidation unit, and bio-contact oxidation unit is connected with coagulating sedimentation unit, coagulating sedimentation list
Unit is connected with sand filtration unit.
Preferably, preaeration unit includes air blower and aeration tank, and heating coil is installed in aeration tank bottom, it is ensured that aeration tank
Water temperature inside maintains 25 DEG C, and suspension type filler is installed in aeration tank inside, and filler loading is be aerated pond body volume more than 50%,
Hanging filler support material is carbon steel anti-corrosion, design hydraulic detention time 12h；Preaeration unit design pond body effective depth degree is not
Less than four meters；Preaeration unit oxygen-supplying amount needs 2200m3/h, and air blower is the blower fan of 40m3/h from exhaust air rate.
Preferably, hydrolysis acidification pool designs 2 groups, and every group 3 grades, available depth 4m, 6 lattice altogether, dischargeable capacity is not less than
1700m3；Hydrolysis acidification pool inside is installed by batch agitator, it is ensured that water body flow；Hydrolysis acidification pool design sludge concentration 10~
20g/L；Hydrolysis acidification pool design hydraulic detention time 40h.
Preferably, aerobic oxidation unit designs 2 groups, and every group 4 grades, available depth 4m, 8 lattice altogether, dischargeable capacity is not less than
1700m3；Aerobic oxidation unit indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to design adding technology
Required aeration plate；Aerobic oxidation unit oxygen-supplying amount needs 4800m3/h, and inside is provided with air blower, and air blower is from exhaust air rate
The blower fan of 40m3/h；10~20g/L of aerobic oxidation unit design sludge concentration；Aerobic oxidation unit designs hydraulic detention time
40h。
Preferably, the sedimentation basin of mudpan is divided into 2 groups, and available depth 4m, the residence time ensures more than 4h；Sedimentation basin
Every group of inside installation center transmission mud scraper, realizes that supernatant flow to rear end, and mixing sludge liquid is back to oxidation pond；Activated sludge
Hydrolysis acidification pool and aerobic oxidation pond are back to, reflux ratio is controlled to 3 times of inflow.
Preferably, bio-contact oxidation unit design hydraulic detention time 40h；Bio-contact oxidation unit designs 2 groups, often
4 grades of group, available depth 4m；Bio-contact oxidation unit indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to setting
Aeration plate needed for meter mode adding technology；Bio-contact oxidation unit design media-filling rate is not less than 50%.
Preferably, coagulating sedimentation unit is equipped with 2 sets of medicine systems, is respectively used to adding for PAC and PAM medicaments；Often set adds
Medicine system medicament tank volume 1m3, tank body material PE, configure 2 groups, and agitator, stirring are installed in a preparation and a use, every group of grug feeding jar top
Oar material 304；Often set medicine system configures two dosing pumps, and brand meter Dun Luo, flow 200L/h are responsible for installing medicament pipeline.
Preferably, sand filtration unit includes 3 sets of sandfiltration pot, and tank body material fiberglass, tank intensity is not less than 18MPa；Configuration 3
Platform booster pump, flow 30m3/h, height opens low stopping；It is equipped with 1 backwashing pump, flow 45m3/h；Inside filling quartz sand；Outfit is matched somebody with somebody
The electric-control system of set；A whole set of sand filtration unit configures PLC control system, is capable of achieving the functions such as filter element automatic feeding water, backwash.
The beneficial effects of the invention are as follows：Water outlet is pre-processed to fracturing outlet liquid to be adjusted, have concurrently by preaeration unit
Water quality adjustment, lower water temperature, the effect of runoff investigation, the oxidant remained in removal water quality, in order to avoid subsequent biochemical unit is made
Into impact；Combined by hydrolysis acidification pool and subsequent technique, reduce processing cost and improve treatment effeciency；By using aerobic micro- life
Thing (including aerobic-anaerobic microbe) carries out biological metabolism with degradation of organic substances in the presence of oxygen；Connect by mudpan
Keep oxygen oxidation unit water outlet well, precipitated and separated is carried out to it, layering water outlet enters rear end contact-oxidation pool, activated sludge after precipitation
It is back to the aerobic oxidation unit first order, it is ensured that aerobic unit sludge concentration；It is attached to using dwelling by bio-contact oxidation unit
The oxygen of biomembrane and ample supply on filler, by biological oxidation, the oxidation operation in waste water is decomposed, and is reached
Purification purpose.
Brief description of the drawings
Fig. 1 is the process chart of embodiments of the invention one；
Fig. 2 is the process chart of embodiments of the invention two.
Specific embodiment
Explanation is further explained to the present invention below in conjunction with the accompanying drawings, but is not limited the scope of the invention.
Embodiment one, it is as shown in figure 1, a kind of oil gas field high slat-containing wastewater biochemical processing including pretreatment unit, pre-
Aeration unit, hydrolysis acidification pool, aerobic oxidation unit, mudpan, bio-contact oxidation unit, coagulating sedimentation unit and sand
Filter unit；Pretreatment unit is connected with preaeration unit, and preaeration unit is connected with hydrolysis acidification pool, hydrolysis acidification pool with it is aerobic
Oxidation unit is connected, and aerobic oxidation unit is connected with mudpan, and mudpan is connected with bio-contact oxidation unit, raw
Thing catalytic oxidation unit is connected with coagulating sedimentation unit, and coagulating sedimentation unit is connected with sand filtration unit.
Described preaeration unit includes air blower and aeration tank, and heating coil is installed in aeration tank bottom, it is ensured that aeration tank
Water temperature inside maintains 25 DEG C, and suspension type filler is installed in aeration tank inside, and filler loading is be aerated pond body volume more than 50%,
Hanging filler support material is carbon steel anti-corrosion, design hydraulic detention time 12h；Preaeration unit design pond body effective depth degree is not
Less than four meters；Preaeration unit oxygen-supplying amount needs 2200m3/h, and air blower is the blower fan of 40m3/h from exhaust air rate.
Described hydrolysis acidification pool designs 2 groups, every group 3 grades, available depth 4m, altogether 6 lattice, and dischargeable capacity is not less than
1700m3；Hydrolysis acidification pool inside is installed by batch agitator, it is ensured that water body flow；Hydrolysis acidification pool design sludge concentration 10~
20g/L；Hydrolysis acidification pool design hydraulic detention time 40h.
Described aerobic oxidation unit designs 2 groups, every group 4 grades, available depth 4m, altogether 8 lattice, and dischargeable capacity is not less than
1700m3；Aerobic oxidation unit indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to design adding technology
Required aeration plate；Aerobic oxidation unit oxygen-supplying amount needs 4800m3/h, and inside is provided with air blower, and air blower is from exhaust air rate
The blower fan of 40m3/h；10~20g/L of aerobic oxidation unit design sludge concentration；Aerobic oxidation unit designs hydraulic detention time
40h。
The sedimentation basin of described mudpan is divided into 2 groups, and available depth 4m, the residence time ensures more than 4h；Sedimentation basin
Every group of inside installation center transmission mud scraper, realizes that supernatant flow to rear end, and mixing sludge liquid is back to oxidation pond；Activated sludge
Hydrolysis acidification pool and aerobic oxidation pond are back to, reflux ratio is controlled to 3 times of inflow.
Described bio-contact oxidation unit design hydraulic detention time 40h；Bio-contact oxidation unit designs 2 groups, often
4 grades of group, available depth 4m；Bio-contact oxidation unit indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to setting
Aeration plate needed for meter mode adding technology；Bio-contact oxidation unit design media-filling rate is not less than 50%.
Described coagulating sedimentation unit is equipped with 2 sets of medicine systems, is respectively used to adding for PAC and PAM medicaments；Often cover dosing
System medicament tank volume 1m3, tank body material PE, configure 2 groups, and agitator, agitating paddle are installed in a preparation and a use, every group of grug feeding jar top
Material 304；Often set medicine system configures two dosing pumps, and brand meter Dun Luo, flow 200L/h are responsible for installing medicament pipeline.
Described sand filtration unit includes 3 sets of sandfiltration pot, and tank body material fiberglass, tank intensity is not less than 18MPa；Configuration 3
Platform booster pump, flow 30m3/h, height opens low stopping；It is equipped with 1 backwashing pump, flow 45m3/h；Inside filling quartz sand；Outfit is matched somebody with somebody
The electric-control system of set；A whole set of sand filtration unit configures PLC control system, is capable of achieving the functions such as filter element automatic feeding water, backwash.
Embodiment two, as shown in Fig. 2 being sunk including preaeration tank, biochemical regulating reservoir, hydrolysis acidification pool, one section of aeration tank, two
Pond, intermediate pool 1, biology connect oxidation pond, coagulating basin, final deposition pool, intermediate pool 2, sandfiltration pot, clear water reserviors and corrosion protection pump.
Quantitatively enter preaeration tank through breaking the fracturing outlet liquid after glue is processed, carry out pre-oxidation treatment, improve broken glue treatment
Water quality afterwards, after preaeration, water outlet gravity flow enters biochemical regulating reservoir, regulating reservoir built in air stirring system and heating system,
After the pond mixes with one section of bio-chemical effluent, dilutes, through corrosion protection pump pump to hydrolysis acidification front end, hydrolysis acidification uses pulse to waste water
Cloth hydraulic art, annular receives water, by way of interval big flow water inlet 2, strengthens the mixing of waste water and anaerobic sludge；After hydrolysis
Waste water, overflow to subsequent biochemical aeration tank, biochemical aeration tank set rotational flow aeration device, there is provided the dissolved oxygen needed for Aerobic Pond is dense
Degree, by the most of degraded of organic matter in waste water；Aerobic Pond end sets second pond, and supernatant overflow is mixed to 1# intermediate pools
Close liquid and aeration tank front end and hydrolysis acidification pool front end are back to by sludge reflux pump；Connect into biology through the waste water of one section of biochemistry
Oxidation pond is touched, the thorough degraded of organic pollution is carried out, is flocculated by coagulant through biochemical waste water, muddy water is carried out in final deposition pool
Separate, supernatant gravity flow enters 2# intermediate pools, and sandfiltration pot is pumped into by corrosion protection pump, further the solid in removal waste water suspends
Thing, water outlet after filtering, gravity flow enters clear water reserviors, and to carry out successive depths treatment, pool bottom sludge passes through sludge pump pump extremely
Sludge-tank, the sludge treating system total with this technology is handled together.
Clear water reserviors include two functions of storage and regulation of anti-scouring water and the successive depths treatment of sandfiltration pot.
In embodiment two：
The effect of preaeration tank is that the water outlet of the broken glue of front end materialization, advanced oxidation, coagulating treatment is carried out into a pre-exposure
Gas, removes part volatile chemical substance, meanwhile, as a materialization and the Buffer Pool of biochemistry, mitigate to subsequent biochemical
The infringement of reason.Preaeration tank designs dischargeable capacity 500m3, process：16 × 8 × 4.8m, hydraulic detention time 12h, in pond
If rotational flow aeration device, service area 0.64m2, throughput 3m3/h/, 200 altogether, seed sludge 10m3 is added for the first time, adopt
Municipal sewage plant dewatered sludge is used, moisture content is based on 80%.Suspension high polymer elastic filler, filler support in preaeration tank
Using 10# I-steel and the sub-assembly of glass-fiber reinforced plastic grille, packed height 2.4m, effective filling rate 60%.Filler support is used should
The purpose of mode is：Tackle the technology waste water chloride ion content high, the big operating mode of corrosivity.
Biochemical regulating reservoir dischargeable capacity 120m3, has the effect of water quality adjustment, lower water temperature, runoff investigation concurrently.
Process：8 × 4 × 4.8m, semi-underground type structure.Built-in boring aeration pipe, heating tube.Wherein heating tube is by setting
The design of meter institute.The purpose of biochemical regulating reservoir is set：Preaeration water outlet and recirculation water are received, winter plays a part of heating, together
When ensure the constant level of preaeration tank, and play a part of to be promoted to follow-up head-tank.
Hydrolysis acidification pool is divided into two groups, every group of three-level, process 6*6*8.5m, available depth 8m, residence time in water
40h, carries out water distribution, it is ensured that waste water mixes with the efficient of anaerobic sludge using automatical and efficient pulse water distribution equipment, adds connect for the first time
Plant 60 cubic metres of sludge.
Automatical and efficient pulse water distributing device is made up of the part such as casing, siphoning installation, outlet pipe, and feature is continuum micromeehanics, wink
Between draining, periodically pulsing water inlet is formed to hydrolysis acidification pool.
Automatical and efficient pulse water distributing device is to be taken away the air in main pipeline using the current of quick flowing in siphon pipe, is made
Certain vacuum is formed in main pipeline, the water in container in the presence of atmospheric pressure inside and outside pipeline is into entering pond after main pipeline
In, due to water velocity quickly, water distribution can be completed in a short time, reach the effect of pulse, stir the sludge of bottom of pond, make it
Constantly it is sufficiently mixed with waste water in pond, microorganism obtains sufficient haptoreaction with the organic matter in waste water.
Its feature is：Simple structure does not need complicated equipment, whole air-breathing water distribution process to be completed by hydraulic automatism, dimension
Shield convenient management, long service life is particularly suited for high slat-containing wastewater；
Consume energy low, efficiency high, without other power in addition to water is lifted；
Even water distribution, hydraulic mixing effect is good, by pulse water distribution, the instantaneous velocity of waste water can be improved into 6-10 times, together
When, during water distribution, the sludge for stirring can slowly precipitate again, it is to avoid sludge loses；
The bottom water distribution of automatical and efficient pulse water distributing device combination hydrolysis acidification pool, it is ensured that sludge concentration and muddy water mixing effect
Really, the generation of inflammable foreign odor gas is controlled, so under preferably treatment, the residence time is shortened, pond appearance is reduced, is reduced
Cost of investment.
Biochemical aeration tank is divided into 2 groups, every group 4 grades, 8 × 6 × 4.8m of process, available depth 4.3m, totally 8 lattice, effectively
Volume 1650m3, hydraulic detention time 40h, set rotational flow aeration device in pond, service area 0.36m2, throughput 4.0m3/h/ are individual,
Per lattice 130,1240 altogether, seed sludge 40m3 is added for the first time, using municipal sewage plant dewatered sludge, moisture content is pressed
80% meter；The effect in this technique of one section of high sludge concentration aeration tank is the overwhelming majority removal for realizing organic pollution.By
It is high salt, hc effluent in the pending waste water of this technology, microorganism is difficult growth and breeding, and sludge salinity is very high, according to Dagu
To one section of analysis of aeration tank mud component in the treatment of chemical industry epoxy propane waste water, its volatile mud component only accounts for total sludge
The 20%~30% of amount, far smaller than urban wastewater treatment firm f=0.75 is (i.e.：Ratio 5MLVSS/MLSS=0.75)；Separately
Outward, from the operating condition long-term observation of nearly 2 years, when sludge concentration be less than 10g/L, sludge degradating trend, and one section aeration
Pond effluent quality is deteriorated.
According to technical experience, one section of aeration tank sludge concentration of this technology is maintained at more than 15g/L, but no more than 20g/L, its
COD clearances are up to more than 70%.This technology belongs to high-salt wastewater, and microflora is difficult to set up, and extremely sensitive.Using high dirty
Mud concentration, is the absolute magnitude by improving microorganism, to tackle unfavorable operating condition, it is ensured that the stabilization fortune of microflora
OK, and the COD removal effects that have obtained.
The characteristics of high sludge concentration extended aeration technique that one section of aerobic process of this technology is used is：
1st, aeration tank sludge concentration is high, and under the operating mode of same volume, MLVSS absolute values are high, and microorganism total amount is big, COD
Degradation rate is high；
2nd, because sludge concentration is high, sedimentation basin sludge back flow quantity is big, and system anti-shock loading is strong, can tackle water quality and quantity short
The ton day expoxy propane sewage disposal of influence of the time fluctuation to process system --- Dajie Chemical Co., Ltd., Tianjin 40,000
Technical examples show, when inlet flow-patterm is when 10.8 or so run, still can guarantee that whole system pH value below 8.0；
3rd, aerator, because aerator air outlet slit caliber is big, aeration is not easily caused using rotational flow aeration device is not easily blocked
Device is blocked or ruptured because aerator pressure at expulsion is big；
4th, using aeration intensity very high, this technology is intended reaching more than 10m3/m2h, and bottom of pond is difficult settled sludge, separately
Outward, pool bottom sludge is stirred because aerator air exit can guarantee that down, also.
5.5th, second pond
Second pond is divided into 2 groups, and process 8 × 4.8m of φ, surface loading 2.0m3/m2/h set center driving and scrape mud
Machine, supernatant overflow to intermediate pool, mixture pump to front end is hydrolyzed and aeration tank.
This technology design mixed-liquor return uses separate unit 37.5m3/h, two common 75m3/h.Reflux ratio 1.5.
Intermediate pool 1 has 1 group, and 10 × 3 × 4.8m of process, dischargeable capacity about 120m3, built in air are stirred and winter
Heating system, plays a part of hydraulic hoisting and heating.Meanwhile, water outlet dilution system is set, second pond supernatant is back to
Hydrolysis acidification pool, reaches the purpose of dilution raw water.
Dilution pumps use separate unit 50m3/h, two common 100m3/h, thinner ratio 2.0.
Processed by one section of aeration tank, the organic matter of easily biological-degradable is decomposed oxidation in waste water, using technology of biological membrane,
And create the favorable environment of microbe survival, improve two sections for the treatment of effeciencies of biochemical system, further reduce COD in waste water,
BOD and NH3-N concentration, makes water outlet qualified discharge.
Filler uses macromolecule combined stuffing, filler energy stereoscopic and omnibearing in effective coverage uniformly to unfold in processing pond
Be abound with, make gas and water, biomembrane obtain it is fully mixed ooze contact and exchange, biomembrane can not only uniformly implantation on each strand,
Good activity and space changeability are kept, and can in the process of running obtain more and more big specific surface area.
Biological contact oxidation pond is divided into 2 groups, every group 4 grades, 8 × 6 × 4.8m of process, available depth 4.3m, totally 8 lattice,
Dischargeable capacity 1650m3, hydraulic detention time 40h, set rotational flow aeration device, service area 0.60m2, throughput 3m3/h/ in pond
It is individual, per lattice 80,640 altogether, seed sludge 20m3 is added for the first time, using municipal sewage plant dewatered sludge, moisture content
Based on 80%.
The characteristics of Biological Contact Oxidation Process that two sections of aerobic process of this technology are used is：
1) clearance to pollutant is high, and sludge yield is few, does not produce sludge bulking.While COD is removed, and compared with
Good denitrogenation, phosphor-removing effect.Stable effluent quality reliability, suspension content is few in water outlet, reduces the place of post precipitation filtering ponds
Reason load；
2) new macromolecule combined stuffing is used, the spy short with the biofilm time, biofilm is stable, content of microorganisms is high
Point so that capital construction is compacter, saves and takes up an area, and reduces construction cost；Filament, in the state that freely floats, has very well in water
Dispersiveness, improve effective time of contact of waste water and microorganism, and filler is not easily blocked；
3) microbial biomass of biological contact oxidation pond in the process of running, can become because entering the change of organic concentration
Change, and reach a kind of dynamic equilibrium, the characteristics of this makes system stable water outlet and has anti impulsion load, this is at general biochemical method water
Reason technology forms larger zoogloea and is difficult to what is compared；
4) oxygen utilizes high in system, it is not necessary to which sludge recirculation system, direct operating cost is low, and subsequent cell can increase mixed
Solidifying precipitation unit, is flocculated using the microbial film and coagulant that come off, forms big flco, improves flocculation reaction efficiency.
Coagulation unit is built together with biological contact oxidation pond, and single 2 × 2 × 2.8m of reaction tank, available depth 2.0m, single lattice is stopped
The time is stayed more than 30min, coagulation, flocculation, desolventing technology are carried out respectively, mixed liquor carries out muddy water point from follow-up final deposition pool is flow to
From.
Final deposition pool is divided into 2 groups, and process 8 × 4.8m of φ, surface loading 0.5m3/m2/h set center driving and scrape mud
Machine, supernatant carries out follow-up quartz sand filtration treatment, pool bottom sludge pump to sewage sludge storage pond from 2# intermediate pools are flow to.
This unit is designed without mixed-liquor return.
Intermediate pool 2 has 1 group, 10 × 3 × 4.8m of process, dischargeable capacity about 120m3, clear for collecting final deposition pool
Water, pump to follow-up sandfiltration pot carries out advanced treating.
The unit sets and surmounts pipeline, when water outlet SS is very low, can be processed without follow-up sand filtration, is directly entered clear water
Pond, carries out processing system needed for follow-up proprietor.
1 group of clear water reserviors, 10 × 9.7 × 4.8m of process, dischargeable capacity about 400m3 collect the water that settles out eventually, are filtering tank
Backwash is supplied water, and as the balancing tank of subsequent processing units.
1 group of sewage sludge storage pond, 8 × 4 × 4.8m of process, dischargeable capacity about 120m3 collect second pond, hydrolysis acidification
Pond and the excess sludge of final deposition pool, are incorporated to total sludge system and are focused on.
A, preaeration tank draught fan matching
Preaeration tank draught fan matching 2, is separately configured, from HSR150 Roots blowers, pressure 49.0kpa, air quantity
13.52m3/min, power 30kw, 1 is standby with 1.
Remarks：The blower fan is supplied for biochemical aeration tank simultaneously, carries out air stirring.
B, one section of aeration tank draught fan matching
One section of aeration tank oxygen-supplying amount amounts to about 4800m3/h, from HSR200 blower fans, pressure 49kpa, air quantity 40.17m3/
Min, power 55kw, rotating speed 1070n, 3,2 is standby with 1, supporting supervisor DN400, is circular layout.
C, biological contact oxidation pond draught fan matching biological contact oxidation pond oxygen-supplying amount amount to about 2400m3/h, from HSR200
Blower fan, pressure 49kpa, air quantity 40.17m3/min, power 55kw, rotating speed 1070n, 2,1 is standby with 1, supporting supervisor DN300, ring
Shape is arranged；The blower fan is supplied for 1# intermediate pools simultaneously, carries out air stirring.
Electric equipments in this technology are mainly automatically controlled using PLC, two kinds of modes are controlled on equipment control cabinet cabinet.
Manual/auto change-over switch is provided with equipment control cabinet.Change-over switch is placed in operating personnel during with regard to position can be by equipment
Control cabinet is realized being controlled on cabinet.When change-over switch is placed in remote location, can be carried out automatically according to good program prepared in advance by PLC
Control, therefore operating personnel can carry out the switching of different control modes according to actual conditions.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention, and any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (8)
1. a kind of oil gas field high slat-containing wastewater biochemical processing, it is characterised in that：Including pretreatment unit, preaeration unit,
Hydrolysis acidification pool, aerobic oxidation unit, mudpan, bio-contact oxidation unit, coagulating sedimentation unit and sand filtration unit；In advance
Processing unit is connected with preaeration unit, and preaeration unit is connected with hydrolysis acidification pool, hydrolysis acidification pool and aerobic oxidation unit
Connection, aerobic oxidation unit is connected with mudpan, and mudpan is connected with bio-contact oxidation unit, biological contact oxidation
Change unit to be connected with coagulating sedimentation unit, coagulating sedimentation unit is connected with sand filtration unit.
2. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described is pre-
Aeration unit includes air blower and aeration tank, and heating coil is installed in aeration tank bottom, it is ensured that aeration tank water temperature inside maintains 25 DEG C,
Suspension type filler is installed in aeration tank inside, and filler loading is be aerated pond body volume more than 50%, hanging filler support material
It is carbon steel anti-corrosion, design hydraulic detention time 12h；Preaeration unit design pond body effective depth degree is not less than four meters；Preaeration
Unit oxygen-supplying amount needs 2200m3/h, and air blower is the blower fan of 40m3/h from exhaust air rate.
3. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described water
Solution acidification pool designs 2 groups, and every group 3 grades, available depth 4m, 6 lattice altogether, dischargeable capacity is not less than 1700m3；In hydrolysis acidification pool
Portion is installed by batch agitator, it is ensured that water body flow；10~20g/L of hydrolysis acidification pool design sludge concentration；Hydrolysis acidification pool sets
Meter hydraulic detention time 40h.
4. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described is good
Oxygen oxidation unit designs 2 groups, and every group 4 grades, available depth 4m, 8 lattice altogether, dischargeable capacity is not less than 1700m3；Aerobic oxidation list
First indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to the aeration plate needed for design adding technology；It is aerobic
Oxidation unit oxygen-supplying amount needs 4800m3/h, and inside is provided with air blower, and air blower is the blower fan of 40m3/h from exhaust air rate；It is aerobic
10~20g/L of oxidation unit design sludge concentration；Aerobic oxidation unit design hydraulic detention time 40h.
5. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described dirt
The sedimentation basin of mud sedimentation basin is divided into 2 groups, and available depth 4m, the residence time ensures more than 4h；Every group of inside installation center of sedimentation basin
Transmission mud scraper, realizes that supernatant flow to rear end, and mixing sludge liquid is back to oxidation pond；Activity sludge reflux is to hydrolysis acidification pool
And aerobic oxidation pond, reflux ratio is controlled to 3 times of inflow.
6. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described life
Thing catalytic oxidation unit design hydraulic detention time 40h；Bio-contact oxidation unit designs 2 groups, every group 4 grades, available depth 4m；
Bio-contact oxidation unit indoor design aeration plate, aeration plate throughput is 3~5m3/h, according to design adding technology institute
The aeration plate for needing；Bio-contact oxidation unit design media-filling rate is not less than 50%.
7. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described is mixed
Solidifying precipitation unit is equipped with 2 sets of medicine systems, is respectively used to adding for PAC and PAM medicaments；Often cover medicine system medicament tank volume
1m3, tank body material PE, configure 2 groups, and agitator, agitating paddle material 304 are installed in a preparation and a use, every group of grug feeding jar top；Often set adds
Two dosing pumps of medicine system configuration, brand meter Dun Luo, flow 200L/h are responsible for installing medicament pipeline.
8. a kind of oil gas field high slat-containing wastewater biochemical processing according to claim 1, it is characterised in that：Described sand
Filter unit includes 3 sets of sandfiltration pot, and tank body material fiberglass, tank intensity is not less than 18MPa；3 booster pumps of configuration, flow
30m3/h, height opens low stopping；It is equipped with 1 backwashing pump, flow 45m3/h；Inside filling quartz sand；It is equipped with supporting electric-control system；
A whole set of sand filtration unit configures PLC control system, is capable of achieving the functions such as filter element automatic feeding water, backwash.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128987A (en) * | 2018-02-01 | 2018-06-08 | 成都市卓新实业有限公司 | A kind of Porta Potti sewage water treatment method and its system |
| CN115477446A (en) * | 2022-10-09 | 2022-12-16 | 山东润锦环保科技发展有限公司 | Modularization sewage treatment plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503267A (en) * | 2009-03-13 | 2009-08-12 | 哈尔滨工业大学 | Coal chemical industry wastewater treating method |
| CN102452760A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工股份有限公司 | Treatment method for recycle of oil field produced water |
| CN102942285A (en) * | 2012-11-06 | 2013-02-27 | 中国石油集团工程设计有限责任公司 | Sewage treatment system and method for natural gas purifying factory in H2S-containing gas field |
| US20130341268A1 (en) * | 2012-06-21 | 2013-12-26 | Daniel Ertel | Method and system for treating wastewater |
| CN105110559A (en) * | 2015-08-26 | 2015-12-02 | 辽宁华孚环境工程股份有限公司 | Ternary composite flooding oil-extraction waste water treatment method |
-
2017
- 2017-03-15 CN CN201710154804.0A patent/CN106865899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503267A (en) * | 2009-03-13 | 2009-08-12 | 哈尔滨工业大学 | Coal chemical industry wastewater treating method |
| CN102452760A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工股份有限公司 | Treatment method for recycle of oil field produced water |
| US20130341268A1 (en) * | 2012-06-21 | 2013-12-26 | Daniel Ertel | Method and system for treating wastewater |
| CN102942285A (en) * | 2012-11-06 | 2013-02-27 | 中国石油集团工程设计有限责任公司 | Sewage treatment system and method for natural gas purifying factory in H2S-containing gas field |
| CN105110559A (en) * | 2015-08-26 | 2015-12-02 | 辽宁华孚环境工程股份有限公司 | Ternary composite flooding oil-extraction waste water treatment method |
Non-Patent Citations (1)
| Title |
|---|
| 曾郴林等: "《工业废水处理工程设计实例》", 31 January 2017, 中国环境出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128987A (en) * | 2018-02-01 | 2018-06-08 | 成都市卓新实业有限公司 | A kind of Porta Potti sewage water treatment method and its system |
| CN115477446A (en) * | 2022-10-09 | 2022-12-16 | 山东润锦环保科技发展有限公司 | Modularization sewage treatment plant |
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