CN106396301A - Microbiological treatment device for oilfield sewage station - Google Patents
Microbiological treatment device for oilfield sewage station Download PDFInfo
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- CN106396301A CN106396301A CN201611145240.6A CN201611145240A CN106396301A CN 106396301 A CN106396301 A CN 106396301A CN 201611145240 A CN201611145240 A CN 201611145240A CN 106396301 A CN106396301 A CN 106396301A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Environmental & Geological Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
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Abstract
The invention relates to a microbiological treatment device for an oilfield sewage station. The device is divided into an air floating treating process section, an air floating and microbiological cleaning treating process section, a microbiological strengthening treating process section, a solid-liquid separating treating process section and a middle water pool. The device is equipped with a sump oil recovery system, a sludge recovery system, a gas-dissolving gas supply system and a microbiological oxygen supply system. According to the running condition of original facilities in the station, under the condition of utilizing the original facilities as far as possible, the occupied area is reduced; the microbiological strengthening treatment is newly established in the early process of a filtering tank, and the process facilities approach to the process flow of the original processing equipment as far as possible; under the condition of high-polymer sewage water quality, the water quality, before filtering, reaching and even exceeding the design index can be guaranteed, so that the finally discharged water which continuously and stably reaches the standard can be guaranteed, the load of the filtering section can be thoroughly relieved, and the combination of the polymer flooding sewage extraction and the present deep treatment process can be realized so as to reach the water quality index of medium and low permeable layers.
Description
Technical field：
The present invention be directed to disposing polluted water in oil technical field.Specifically related to a kind of oilfield sewage station adds microbial treatments dress
Put.
Background technology：
Exploitation with oil field deepens continuously, and the poly- oil recovery technique that drives has become the major measure that oil recovery factor is improved in oil field
One of.However, poly- drive is recovered the oil while improving oil recovery factor, bring is that recovered water oil-water separation difficulty increases, specifically
Show as：The viscosity of recovered water increases；Oil droplet in recovered water diminishes；Oil-water interfaces moisture film intensity increases；Coalescence between oil droplet
The ability becoming big oil droplet declines；Water quality complicates phenomenon aggravation；In water, the removal difficulty of oil-containing and float increases.Tri compound
Displacing oil-field oil extraction waste water has：Viscosity increases, and the oil droplet in water diminishes, oil-water interfaces moisture film intensity increases, coalescence between oil droplet
The ability becoming big oil droplet declines, water quality complicates phenomenon aggravation, in water the removal difficulty of oil-containing and float the water quality such as to increase special
Property.
Substantial amounts of polymer (polyacrylamide) and surfactant, intractability ratio is contained in poly- displacing oil-field oil extraction waste water
Water drive recovered water is much bigger, and oil-water separation difficulty increases., in the case of containing gathering, in water, oil droplet emulsion is serious for water water quality,
This kind of sewage will be in extremely stable situation, and Typical physical method is extremely difficult to ideal effect, concurrently there are floor space
Greatly, the problems such as handling process is long.
Content of the invention：
Not enough present in background technology in order to overcome, present invention aim at providing a kind of oilfield sewage station to add microorganism
Handling process, the application can ensure the normal operation of current polymer-flooding sewage processing system, reduces sewerage different quality, difference
Quantities is mutually allocated in region, alleviates the problem of oilfield water flooding depth water insufficient water sources, simplifies sewerage and produces note balance, it is to avoid
Wastewater disposition etc..According to station in existing facility ruuning situation, on the premise of the existing equipment that reuses as far as possible, newly-built before filter tank
Segment process, carries out biological reinforced process, process facility as close possible to original process equipment flow process, in high polymer-bearing waste-water water quality bar
Under part it is ensured that filter before water quality reach even better than design objective, thus ensureing that final outflow water continuous-stable is up to standard, and fundamentally
Mitigate fillter section load, realize poly- drive extraction sewage and combine with existing advanced treatment process reaching middle less permeable layer water quality index.
The technical solution adopted in the present invention is：This oilfield sewage station add microbial treatment device it is characterised in that：This dress
Put and process dress including air flotation processing device, air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss, solid-liquid separation
Put, intermediate pool, sludge recovery system, microorganism oxygen system；Air flotation processing device, air supporting and microbial cleaning process dress
Put, microbial augmentation processing meanss, solid-liquid separation processing meanss and intermediate pool are sequentially connected with by pipeline, air-flotation process fills
Put, the top of air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss is respectively equipped with oil-collecting device, and each
Oil-collecting device is connected by pipeline with slop tank, and the port of export of slop tank connects one group of sump (waste oil) pump, at air supporting and microbial cleaning
Reason device, microbial augmentation processing meanss are connected with microorganism oxygen system respectively.
Air flotation processing device includes molten gas purification pot, and molten gas purification pot bottom is provided with to be scraped mud system and scrape mud system and recovery
Sludge-tank is connected, and molten gas purification pot center is provided with central tube vertically, and central tube is externally provided with sleeve, and central tube utilizes dividing plate
Top is separated into inhalant region, bottom is divided into gathering ground, inhalant region connects outlet pipe, and the central tube bottom of inhalant region is provided with out
(operating) water nozzle, the central tube below water outlet nozzle is correspondingly arranged on dissolved air release, and dissolved air release connects molten gas by pipeline
The port of export of tank, the arrival end of dissolving connects one group of air dissolved pump, and another arrival end of dissolving is sequentially connected dry and cold machine, storage
Gas tank and aerator, gathering ground top is communicated with outlet pipe, and water outlet pipe end is communicated with regulation and control water tank, and gathering ground bottom is communicated with
Water-collecting tray；
Air supporting and microbial cleaning processing meanss include air dissolution and biological purification pot, and air dissolution and biological purification pot bottom is provided with scrapes mud
System and scrape mud system with reclaim sludge-tank be connected, air dissolution and biological purification pot center is provided with central tube A, central tube vertically
A is externally provided with sleeve A, and sleeve A outer wall top is provided with the reaction tube that bottom is taper, and the upper surface of reaction tube is higher than the upper of sleeve A
End face, top is separated into inhalant region A using dividing plate by central tube A, bottom is divided into gathering ground A, and inhalant region A connects outlet pipe A, enters
The central tube A bottom of pool A is provided with water outlet nozzle A, and the central tube A below water outlet nozzle A is correspondingly arranged on molten gas release
Device A, dissolved air release A connect the port of export of dissolving A by pipeline, and the arrival end of dissolving A connects one group of air dissolved pump, molten gas
Another arrival end of tank A is sequentially connected dry and cold machine, air accumulator and aerator, and gathering ground A top is communicated with outlet pipe A, water outlet
Pipe A end is communicated with regulation and control water tank A, and gathering ground A bottom is communicated with water-collecting tray A；Air dissolution and biological outside sleeve A and reaction tube purifies
It is provided with filler support in tank, filler support is provided with filler, filler is attached with strain；
Microbial augmentation processing meanss include biological reinforced process tank, biological reinforced process pot bottom be provided with scrape mud system and
Scrape mud system and be connected with reclaiming sludge-tank, biological reinforced process tank center is provided with central tube B vertically, central tube B utilizes
Bottom is divided into inhalant region B by dividing plate, and the central tube B bottom of inhalant region B is provided with water outlet nozzle B, and inhalant region B connects outlet pipe B,
It is provided with outlet pipe B, the arrival end of outlet pipe B is communicated with multiple water-collecting tray B, and outlet pipe B goes out in biological reinforced process tank top
Mouth end connection regulation and control water tank B, is provided with filler support, filler support in the biological reinforced process tank between outlet pipe B and outlet pipe B
B is provided with filler B, and filler B is attached with strain；Described microorganism oxygen system is by oxygen supply blower fan, cooling water pump, cooling
Tower, cooling water tank composition.
Described solid-liquid separation processing meanss include casing, and casing upper surface is provided with cover plate, is provided with grid framework in casing,
Casing internal upper part is provided with oil-collecting device, and wall box is provided with wastewater inlet, and box bottom is provided with mud discharging mouth, and in casing, middle part is provided with
Stuffing box, has filler in stuffing box, the side of stuffing box is provided with baffling dividing plate, and the opposite side of stuffing box is provided with deactivator assembly,
Box body wall below baffling dividing plate is provided with pure water inlet, and deactivator assembly is connected with dissolving, and dissolving is connected with air dissolved pump,
Pure water inlet is connected with intermediate pool, and the port of export of intermediate pool connects elevator pump, and the port of export of elevator pump connects buffering water pot,
Mud discharging mouth connects the arrival end of sludge pump, and the port of export of sludge pump is connected with reclaiming sludge-tank.
Regulation and control water tank in such scheme includes regulating and controlling water tank, and the bottom of regulation and control water tank is provided with outlet side by side and returns
Head piece, regulation and control water tank interior axle is provided with central dividing plate and flashboard upwards, and flashboard upper end connects lifting screw, and lifting screw is by electronic
Adjusting means drives, and electric adjusting device is provided with manual adjustment wheel, and regulation and control water tank upper surface is provided with manhole.
Beneficial effect of the present invention is：Main flow of the present invention is divided into air-flotation process process section, air supporting and microorganism
Purification process technique section, microbial augmentation handling process section, solid-liquid separation handling process section, intermediate pool, return equipped with sump oil
Receipts system, sludge recovery system, molten gas air supply system, microorganism oxygen system etc..According to station in existing facility ruuning situation,
Reuse on the premise of existing equipment as far as possible, newly-built carry out biological reinforced process in filter tank FEOL, in high polymer-bearing waste-water water
Under the conditions of matter it is ensured that filter before water quality reach even better than design objective, thus ensureing that final outflow water continuous-stable is up to standard, and from root
Mitigate fillter section load in basis, realize poly- drive extraction sewage and combine with existing advanced treatment process reaching middle less permeable layer water quality and referring to
Mark.
Brief description：
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is air flotation processing device schematic diagram.
Accompanying drawing 3 is air supporting and microbial cleaning processing meanss schematic diagram.
Accompanying drawing 4 is microbial augmentation processing meanss schematic diagram.
Accompanying drawing 5 is air flotation processing device working state schematic representation.
Accompanying drawing 6 is air supporting and microbial cleaning processing meanss working state schematic representation.
Accompanying drawing 7 is microbial augmentation processing meanss working state schematic representation.
Accompanying drawing 8 is regulation and control cisten mechanism schematic diagram in accompanying drawing 1.
Accompanying drawing 9 is the left view of accompanying drawing 8.
Accompanying drawing 10 is solid-liquid separation processing device structure diagram.
Accompanying drawing 11 is grid frame structure schematic diagram in accompanying drawing 10.
Accompanying drawing 12 is the first process flow diagram of the present invention.
Accompanying drawing 13 is second process flow diagram of the present invention.
Accompanying drawing 14 is the third process flow diagram of the present invention.
Specific embodiment：
Shown in accompanying drawing, this oilfield sewage station adds microbial treatment device, this device include air flotation processing device, air supporting and
Microbial cleaning processing meanss, microbial augmentation processing meanss, solid-liquid separation processing meanss, intermediate pool, microorganism oxygen supply system
System；Air flotation processing device, air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss, solid-liquid separation processing meanss
And intermediate pool is sequentially connected with by pipeline, at air flotation processing device, air supporting and microbial cleaning processing meanss, microbial augmentation
The top of reason device is respectively equipped with oil-collecting device, and each oil-collecting device is connected by pipeline with slop tank 17, slop tank 17
The port of export connect one group of sump (waste oil) pump 18, air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss respectively with micro-
Biological oxygen system connection.
Air flotation processing device carries out settlement air floatation first and receives oil processing to sewage, and air flotation processing device is divided into contact area, divides
From area, exhalant region, Shou You area, air flotation processing device includes molten gas purification pot 1, molten gas purification pot 1 bottom be provided with scrape mud system and
Scrape mud system and be connected with reclaiming sludge-tank 28, the mud that precipitates in molten gas purification pot 1 is delivered to recovery dirt by scraping mud system
Mud sump 28 is reclaimed, and molten gas purification pot 1 center is provided with central tube 2 vertically, and central tube 2 is externally provided with sleeve 3, central tube 2
Using dividing plate, top is separated into inhalant region 7, bottom is divided into gathering ground 9, inhalant region 7 connects outlet pipe 8, outlet pipe 8 and center
The axis direction of cylinder 2 is vertically arranged, and each outlet pipe 8 separates two little outlet pipes again and exports downwards, multiple water outlets
Compared with existing single outlet, water and molten gas release water more can be fully contacted mouth, and contact area increases by more than ten times, more sharp
Contact with sump oil in the bubble that molten gas discharges in water and be conducive to oil removing, be also beneficial to sludge settling, and water inlet pipe 8 water outlet direction
Relative with dissolved air release 5, water inlet pipe 8 water distribution form is water Jet with downward flow direction, and dissolved air release 5 is releasing pattern upwards, this
Sample makes water and dissolved air water discharge formation turbulent flow upwards, reaches and is sufficiently mixed, and central tube 2 bottom of inhalant region 7 is provided with water outlet
Nozzle 4, the central tube 2 of water outlet nozzle 4 lower section is correspondingly arranged on dissolved air release 5, the dissolved air water of dissolved air release 5 release with
Out sewage forms convection current to water inlet pipe 8, by the upper end of sleeve 3 is overflowed and in molten gas net after being fully contacted in sleeve 3
Change tank 1 in carry out separate, the oil separated by molten gas purification pot 1 internal upper part frizing systematic collection to slop tank 17, then by
Sump (waste oil) pump 18 carries out outer row.Dissolved air release 5 connects the port of export of dissolving B19 by pipeline, and the arrival end of dissolving B19 is even
Connect one group of air dissolved pump 20, dissolving B19 and air dissolved pump 20 are to provide dissolved air water in molten gas purification pot 1, dissolving B19 another
Arrival end is sequentially connected dry and cold machine 22, air accumulator 21 and aerator 23, and dry and cold machine 22, air accumulator 21 and aerator 23 are dissolving
Gas is provided, gathering ground 9 top is communicated with outlet pipe 10, outlet pipe 10 end is communicated with regulation and control water tank 11, catchments in B19
Area 9 bottom is communicated with water-collecting tray 6.The water separating after settling is collected and is conveyed by outlet pipe 10 to gathering ground 9 again by water-collecting tray 6
To regulation and control water tank 11.Molten about 0.5 hour gas purification pot air flotation zone time of staying, about 3 hours decanting zone time of staying.Air flotation zone is first
First carry out air-dissolving air-float and receive oil, about 90% sump oil in recycle-water, water outlet carries out stable settlement in decanting zone and goes out water degasification.This Shen
Please compared with the prior art, in existing process, sewage first carries out air supporting again through sedimentation, and sump oil first reclaims a part by settling tank, then
By air-flotation process, air supporting load relative reduction, thus its air supporting area adopting is less, and surface loading is less than the air supporting of conventional regulation
Parameter.First via air-flotation process, air supporting undertakes main sump oil removal effect to molten gas purifier raw water, and air flotation zone surface area is big
In the combination air-float area of existing process, the time of staying about 25min, reflux ratio is 20～30%, gas-water ratio 1：25～50, place
Reason effect is more preferable.
Air supporting and microbial cleaning processing meanss are that the sewage that air flotation processing device was processed is further processed, gas
Floating and microbial cleaning processing meanss include air dissolution and biological purification pot 12, air dissolution and biological purification pot 12 bottom be provided with scrape mud system and
Scrape mud system and be connected with reclaiming sludge-tank 28, the mud settling down in air dissolution and biological purification pot 12 is by air dissolution and biological purification pot
The mud system of scraping of 12 bottoms is delivered to recovery sludge-tank 28, and air dissolution and biological purification pot 12 center is provided with central tube A 2- vertically
1, central tube A 2-1 are externally provided with sleeve A 3-1, and sleeve A 3-1 outer wall top is provided with the reaction tube 15 that bottom is taper, reaction tube
15 upper surface be higher than sleeve A 3-1 upper surface, central tube A 2-1 using dividing plate by top be separated into inhalant region A 7-1, under
Portion is divided into gathering ground A 9-1, and inhalant region A 7-1 connects water inlet pipe A 8-1, and the central tube A 2-1 bottom of inhalant region A 7-1 is installed
There is water outlet nozzle A 4-1, the central tube A 2-1 below water outlet nozzle A 4-1 is correspondingly arranged on dissolved air release A 5-1, enters
Water pipe A 8-1 is vertically arranged with the axis direction of central tube A 2-1, and each water inlet pipe A 8-1 separates two little water outlets again
Manage and export downwards, compared with existing single outlet, water more can be fully contacted multiple outlets with molten gas release water,
Contact area increases by more than ten times, and the bubble that more conducively molten gas discharges in water is contacted with sump oil and is conducive to oil removing, is also beneficial to mud
Sedimentation, and outlet pipe A 8-1 water outlet direction is relative with dissolved air release A 5-1, outlet pipe A 8-1 water distribution form be water to
Lower injection, dissolved air release A 5-1 is releasing pattern upwards, so makes water and dissolved air water discharge formation turbulent flow upwards, reaches
It is sufficiently mixed.Dissolved air release A 5-1 connects the port of export of dissolving A 24 by pipeline, and the arrival end of dissolving A24 connects
One group of air dissolved pump, dissolving A24 and air dissolved pump are air supporting and microbial cleaning processing meanss provide dissolved air water.Dissolving A's 24
Another arrival end is sequentially connected dry and cold machine 22, air accumulator 21 and aerator 23, and dry and cold machine 22, air accumulator 21 and aerator 23 are
Dissolving A 24 provides gas, and gathering ground A 9-1 top is communicated with outlet pipe A 10-1, and outlet pipe A 10-1 end is communicated with tune
Control water tank A 11-1, gathering ground A 9-1 bottom is communicated with water-collecting tray A 6-1, and the water after separating and degrading is received by water-collecting tray A 6-1
Collect to the A 9-1 of gathering ground and regulation and control water tank A 11-1 is transported to by outlet pipe A 10-1；Molten outside sleeve A 3-1 and reaction tube 15
It is provided with filler support 14, filler support 14 is provided with filler 13, and filler 13 is attached with strain in gas biologic purifying pot 12；Filler
For microorganism species apposition growth at an upper portion thereof, thus forming extensive bacterium colony degradation of contaminant.The biotic division time of staying is about
3.5h.Microorganism is degraded to the Organic substance in sewage, reduces the emulsification of sewage.Biotic division packing density is tied with civil engineering
Structure biosystem is identical, and filler loading is identical, and the biological time of staying is identical, and because liquid level increases, oxygen transmission efficiency improves,
Biological treatment effect fully achieves protozoa pool process level.Sewage is filled in sleeve A 3-1 with molten gas release water
Tap after touch, discharged by sludge drainage system by sludge settling, and water and oil overflow into reaction tube 15 by sleeve A 3-1 is suitable for reading, in reaction
Dissolved air flotation is entered, reaction tube 15 bottom is circular cone shape, reaction tube 15 has apopore sewage hence into biology in cylinder 15
Treatment region, forms independent air supporting region in big tank, air-dissolving air-float is integrated in one air supporting of formation in the big tank of biological treatment and divides
From and microbial treatments closed process, preferable wastewater treatment efficiency can be reached, and can cost-effective build without independent
The big tank of air supporting and microbial treatments pond.The effluent quality of air dissolution and biological purification pot can reach：Water outlet oil-containing≤50mg/L.
Microbial augmentation processing meanss are that air supporting and microbial cleaning processing meanss and air flotation processing device were processed
Sewage carries out single organic matter degradation intensive treatment, and microbial augmentation processing meanss include biological reinforced process tank 16, biological
Intensive treatment tank 16 bottom is provided with to scrape mud system and scrape mud system and is connected with reclaiming sludge-tank 28, in biological reinforced process tank 16
The mud settling down is delivered to recovery sludge-tank 28 by scraping mud system, during biological reinforced process tank 16 center is provided with vertically
Bottom is divided into inhalant region B 7-2 using dividing plate by heart cylinder B 2-2, central tube B 2-2, under the central tube B 2-2 of inhalant region B 7-2
Portion is provided with water outlet nozzle B 4-2, and inhalant region B 7-2 connects water inlet pipe B 8-2, and sewage enters inhalant region B by water inlet pipe B 8-2
Spray in 7-2 and by water outlet nozzle B 4-2, in biological reinforced process tank 16 top, be provided with outlet pipe B 10-2, outlet pipe B 10-
2 arrival end is communicated with multiple water-collecting tray B 6-2, and the port of export connection regulation and control water tank B 11-2 of outlet pipe B 10-2, in sewage
Organic substance collected by water-collecting tray B 6-2 after strain degradation regulation and control water tank B 11-2, water inlet entered by outlet pipe B 10-2
It is provided with filler support 14-1, filler support B (14-1) in biological reinforced process tank 16 between pipe B 8-2 and outlet pipe B 10-2
It is provided with filler B 13-1, filler B 13-1 is attached with strain；Filler supplies microorganism species apposition growth at an upper portion thereof, thus
Form extensive bacterium colony degradation of contaminant.The biotic division time of staying about 3.5h.Its effluent quality can reach：Oil-containing≤20mg/L.
Microorganism is degraded to the Organic substance in sewage, reduces the emulsification of sewage.Biotic division packing density is given birth to civil engineering structure
Thing system is identical, and filler loading is identical, and the biological time of staying is identical, and because liquid level increases, oxygen transmission efficiency improves, biological
Treatment effect fully achieves protozoa pool process level.
Described microorganism oxygen system is by oxygen supply blower fan 24-1, cooling water pump 25, cooling tower 26,27 groups of cooling water tank
Become.Microorganism oxygen system is microbial augmentation processing meanss, air supporting and microbial cleaning processing meanss provide oxygen, for strain
Degradation of organic substances.
Described solid-liquid separation processing meanss are sent out with the dissolved air water of rear part by the settling section of forward part, breaking milk and removing oil area
Raw device composition, solid-liquid separation processing meanss include casing 10-3, and casing 10-3 upper surface is provided with cover plate 1-3, sets in casing 10-3
There is grid framework 2-3, grid framework ensure that the intensity of device is indeformable, casing 10-3 side wall is provided with wastewater inlet 4-3, case
Body 10-3 bottom is provided with mud discharging mouth 11-3, is provided with stuffing box 5-3, in stuffing box 5-3 in casing 10-3 in the breaking milk and removing oil area of middle part
There is filler, after being processed by microbial augmentation processing meanss, sewage enters in casing 10-3 by wastewater inlet 4-3, stuffing box first
Interior filler adsorbs to the float of sewage, and the side of stuffing box 5-3 is provided with baffling dividing plate 7-3, and baffling dividing plate 7-3 will be clear
Clear section and breaking milk and removing oil are distinguished and are separated, and the opposite side of stuffing box 5-3 is provided with deactivator assembly 9-3, and dissolved air water is by deactivator assembly
9-3 discharges, and the casing 10-3 wall below baffling dividing plate 7-3 is provided with pure water inlet 6-3, deactivator assembly 9-3 and dissolving 12-
3 connections, dissolving 12-3 is connected with air dissolved pump, and pure water inlet 6-3 is connected with intermediate pool 13-3, and filled and dissolved air water is processed
The water crossed is flowed into by the upper surface of baffling dividing plate 7-3 and is expelled to intermediate pool 13-3 by pure water inlet 6-3 after settling section, middle water
The port of export of pond 13-3 connects elevator pump 14-3, and the port of export of elevator pump 14-3 connects buffering water pot, and mud discharging mouth 11-3 connects dirty
The arrival end of dredge pump 15-3, the port of export of sludge pump 15-3 is connected with reclaiming sludge-tank 28.
Regulation and control water tank includes regulating and controlling water tank 29, and the bottom of regulation and control water tank 29 is provided with outlet 30 and refluxing opening side by side
31, regulation and control water tank 29 interior axle is provided with central dividing plate 32 and flashboard 37 upwards, and flashboard 37 upper end connects lifting screw 36, lifts spiral shell
Bar 36 is driven by electric adjusting device 35, and electric adjusting device 35 is provided with manual adjustment wheel 34, regulates and controls water tank 29 upper end
Face is provided with manhole 33.Carried by liquidometer remotely control electric adjusting device 35 (or being adjusted manually with manual adjustment wheel 34)
Dynamic lifting screw 36 and then make flashboard 37 be lifted or land, regulating tank liquid level, made in tank by outlet 30 and refluxing opening 31
Liquid level is effectively controlled, and reaches control and receives oil reservoir liquid level it is ensured that oil trap 4 efficient operation is arranged outer in time for oil slick.
The application can have three kinds of process routes to be adjusted according to water quality situation said apparatus.Three kinds of skill routes are respectively such as
Under：
1st, settlement air floatation+two-stage biological+solid-liquid separation：
Water carries out settlement air floatation through air flotation processing device first and receives oil processing, and the molten gas of air flotation processing device is by air dissolved pump
Supply with release in dissolving and tank.The biology of air supporting and microbial cleaning processing meanss is entered after settlement air floatation is processed
Area carries out preliminary biochemical degradation (do not enter air supporting and the biotic division of microbial cleaning processing meanss carries out air supporting), afterwards from inflow
Biological reinforced processing meanss carry out bioaugmentation and biodegradation, air supporting and microbial cleaning processing meanss and biological reinforced processing meanss
Oxygen supply unification is provided by microorganism oxygen system, and the float carrying out from inflow solid-liquid separation processing meanss afterwards in water separates,
Finally it is delivered to subsequent filter device via elevator pump subsequently into intermediate pool and carry out advanced treating.
2nd, air supporting ten two-stage biologicals+solid-liquid separation in parallel：
Water respectively enters air flotation processing device and air supporting and the air flotation zone of microbial cleaning processing meanss carries out settling gas
Floating receive oil processing, jointly enter afterwards air supporting and microbial cleaning processing meanss biotic division carry out preliminary biochemical degradation, air supporting
And microbial cleaning processing meanss connect air dissolving system and molten gas pressure charging system.Carry out from the biological reinforced processing meanss of inflow afterwards
Bioaugmentation and biodegradation, afterwards from flowing into equipment for separating liquid from solid, the float carrying out in water separates, final subsequently into intermediate pool
It is delivered to subsequent filter device via elevator pump and carry out advanced treating.
3rd, two-stage settlement air floatation+two-stage biological+solid-liquid separation：
Water carries out settlement air floatation through air flotation processing device first and receives oil processing, enters air supporting afterwards and microbial cleaning is processed
The air flotation zone of device carries out secondary air supporting reinforcement and processes, and enters biotic division afterwards and carries out preliminary biochemical degradation, biological from flowing into afterwards
Strengthening and processing device carries out bioaugmentation and biodegradation, and the float carrying out from inflow equipment for separating liquid from solid afterwards in water separates, then
Entrance intermediate pool is finally delivered to subsequent filter device via elevator pump and carries out advanced treating.
The application reduces floor space as far as possible, newly-built in filter tank FEOL, carry out biological reinforced process, in Gao Hanju
Under the conditions of sewage quality it is ensured that filter before water quality reach even better than design objective, thus ensureing that final outflow water continuous-stable is up to standard,
And fundamentally mitigate fillter section load, realize poly- drive extraction sewage and combine with existing advanced treatment process reaching middle less permeable layer
Water quality index.
Claims (2)
1. a kind of oilfield sewage station add microbial treatment device it is characterised in that：This device include air flotation processing device, air supporting and
Microbial cleaning processing meanss, microbial augmentation processing meanss, solid-liquid separation processing meanss, intermediate pool, microorganism oxygen supply system
System；Air flotation processing device, air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss, solid-liquid separation processing meanss
And intermediate pool is sequentially connected with by pipeline, at air flotation processing device, air supporting and microbial cleaning processing meanss, microbial augmentation
The top of reason device is respectively equipped with oil-collecting device, and each oil-collecting device is connected by pipeline with slop tank (17), slop tank
(17) the port of export connects one group of sump (waste oil) pump (18), and air supporting and microbial cleaning processing meanss, microbial augmentation processing meanss are divided
Do not connect with microorganism oxygen system.
Air flotation processing device includes molten gas purification pot (1), and molten gas purification pot (1) bottom is provided with scrapes mud system and scrape mud system and return
Receive sludge-tank (28) to be connected, molten gas purification pot (1) center is provided with central tube (2) vertically, and central tube (2) is externally provided with sleeve
(3), top is separated into inhalant region (7) using dividing plate by central tube (2), bottom is divided into gathering ground (9), inhalant region (7) connect into
Water pipe (8), central tube (2) bottom of inhalant region (7) is provided with water outlet nozzle (4), the central tube (2) below water outlet nozzle (4)
On be correspondingly arranged on dissolved air release (5), dissolved air release (5) by pipeline connect dissolving B (19) the port of export, dissolving
The arrival end of B (19) connects one group of air dissolved pump (20), another arrival end of dissolving B (19) be sequentially connected dry and cold machine (22),
Air accumulator (21) and aerator (23), gathering ground (9) top is communicated with outlet pipe (10), and outlet pipe (10) end is communicated with regulation and control
Water tank (11), gathering ground (9) bottom is communicated with water-collecting tray (6)；
Air supporting and microbial cleaning processing meanss include air dissolution and biological purification pot (12), and air dissolution and biological purification pot (12) bottom is provided with
Scrape mud system and scrape mud system with reclaim sludge-tank (28) be connected, during air dissolution and biological purification pot (12) center is provided with vertically
Heart cylinder A (2-1), central tube A (2-1) is externally provided with sleeve A (3-1), and it is the anti-of taper that sleeve A (3-1) outer wall top is provided with bottom
Answer cylinder (15), the upper surface of reaction tube (15) is higher than the upper surface of sleeve A (3-1), central tube A (2-1) utilizes dividing plate by top
It is separated into inhalant region A (7-1), bottom is divided into gathering ground A (9-1), inhalant region A (7-1) connection water inlet pipe A (8-1), inhalant region A
(7-1) central tube A (2-1) bottom is provided with water outlet nozzle A (4-1), the central tube A (2-1) below water outlet nozzle A (4-1)
On be correspondingly arranged on dissolved air release A (5-1), dissolved air release A (5-1) by pipeline connect dissolving A (24) the port of export,
The arrival end of dissolving A (24) connects one group of air dissolved pump, and another arrival end of dissolving A (24) is sequentially connected dry and cold machine
(22), air accumulator (21) and aerator (23), gathering ground A (9-1) top is communicated with outlet pipe A (10-1), outlet pipe A (10-1)
End is communicated with regulation and control water tank A (11-1), and gathering ground A (9-1) bottom is communicated with water-collecting tray A (6-1)；Sleeve A (3-1) and reaction
It is provided with filler support (14), filler support (14) is provided with filler (13), fills out in cylinder (15) air dissolution and biological purification pot (12) outward
It is attached with strain on material (13)；
Microbial augmentation processing meanss include biological reinforced process tank (16), and biological reinforced process tank (16) bottom is provided with scrapes mud system
Unite and scrape mud system and be connected with reclaiming sludge-tank (28), biological reinforced process tank (16) center is provided with central tube B vertically
(2-2), bottom is divided into inhalant region B (7-2) using dividing plate by central tube B (2-1), under the central tube B (2-2) of inhalant region B (7-2)
Portion is provided with water outlet nozzle B (4-2), and inhalant region B (7-2) connection water inlet pipe B (8-2), in biological reinforced process tank (16) top
It is provided with outlet pipe B (10-2), the arrival end of outlet pipe B (10-2) is communicated with multiple water-collecting tray B (6-2), outlet pipe B's (10-2)
Port of export connection regulation and control water tank B (11-2), the biological reinforced process tank (16) between water inlet pipe B (8-2) and outlet pipe B (10-2)
Inside it is provided with filler support (14-1), filler support B (14-1) is provided with filler B (13-1), and filler B (13-1) is attached with bacterium
Kind；
Described microorganism oxygen system is by oxygen supply blower fan (24-1), cooling water pump (25), cooling tower (26), cooling water tank (27)
Composition；
Described solid-liquid separation processing meanss include casing (10-3), and casing (10-3) upper surface is provided with cover plate (1-3), casing
(10-3) it is provided with grid framework (2-3) in, casing (10-3) internal upper part is provided with oil-collecting device (3-3), casing (10-3) side wall sets
There is wastewater inlet (4-3), casing (10-3) bottom is provided with mud discharging mouth (11-3), in casing (10-3), middle part is provided with stuffing box (5-
3), there is filler in stuffing box, the side of stuffing box (5-3) is provided with baffling dividing plate (7-3), and the opposite side of stuffing box (5-3) is provided with
Deactivator assembly (9-3), casing (10-3) wall below baffling dividing plate (7-3) is provided with pure water inlet (6-3), deactivator assembly
(9-3) connect with dissolving (12-3), dissolving (12-3) is connected with air dissolved pump, pure water inlet (6-3) and intermediate pool (13-
3) connect, the port of export of intermediate pool (13-3) connects elevator pump (14-3), and the port of export of elevator pump (14-3) connects buffered water
Tank, mud discharging mouth (11-3) connects the arrival end of sludge pump (15-3), the port of export of sludge pump (15-3) and recovery sludge-tank (28)
It is connected.
2. oilfield sewage station according to claim 1 add microbial treatment device it is characterised in that：Regulation and control water tank includes adjusting
Control water tank (29), the bottom of regulation and control water tank (29) is provided with outlet (30) and refluxing opening (31) side by side, regulates and controls water tank
(29) interior axle is provided with central dividing plate (32) and flashboard (37) upwards, and flashboard (37) upper end connects lifting screw (36), lifting screw
(36) driven by electric adjusting device (35), electric adjusting device (35) is provided with manual adjustment wheel (34), regulate and control water tank
(29) upper surface is provided with manhole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145240.6A CN106396301B (en) | 2016-12-13 | 2016-12-13 | Oil field sewage station adds little biological treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145240.6A CN106396301B (en) | 2016-12-13 | 2016-12-13 | Oil field sewage station adds little biological treatment device |
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| CN106396301A true CN106396301A (en) | 2017-02-15 |
| CN106396301B CN106396301B (en) | 2023-02-03 |
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|---|---|
| CN106396301B (en) | 2023-02-03 |
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