CN206308224U - A kind of oilfield sewage station adds microbial treatment device - Google Patents
A kind of oilfield sewage station adds microbial treatment device Download PDFInfo
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- CN206308224U CN206308224U CN201621366795.9U CN201621366795U CN206308224U CN 206308224 U CN206308224 U CN 206308224U CN 201621366795 U CN201621366795 U CN 201621366795U CN 206308224 U CN206308224 U CN 206308224U
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Abstract
A kind of oilfield sewage station adds microbial treatment device, the device is divided into air-flotation process process section, air supporting and microbial cleaning handling process section, microbial augmentation handling process section, separation of solid and liquid handling process section, intermediate pool, equipped with oil recovery system, sludge recovery system, molten gas air supply system, microorganism oxygen system etc..According to existing facility ruuning situation in station, on the premise of the existing equipment that reuses as far as possible, reduce floor space, it is newly-built in filter tank FEOL, carry out biological reinforced treatment, process facility is as close possible to original process equipment flow, under polymer-bearing waste-water condition of water quality high, ensure that filtering preceding water quality reaches even better than design objective, it is up to standard so as to ensure final outflow water continuous-stable, and fundamentally mitigate fillter section load, realize that poly- drive extraction sewage is combined with existing advanced treatment process and reach middle less permeable layer water quality index.
Description
Technical field：
The utility model is directed to disposing polluted water in oil technical field.Specifically related to a kind of oilfield sewage station adds at microorganism
Reason device.
Background technology：
As the exploitation in oil field deepens continuously, the poly- oil recovery technique that drives has turned into the major measure that oil recovery factor is improved in oil field
One of.However, poly- drive is recovered the oil while oil recovery factor is improved, what is brought is that recovered water water-oil separating difficulty is increased, 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
Ability into big oil droplet declines；Water quality complicates phenomenon aggravation；The removal difficulty of oil-containing and suspension increases in water.Tri compound
Displacing oil-field oil extraction waste water has：Viscosity increases, and the oil droplet in water diminishes, coalescence between the increase of oil-water interfaces moisture film intensity, oil droplet
It is special that ability decline, water quality into big oil droplet complicate the water quality such as the removal difficulty increase of oil-containing and suspension in phenomenon aggravation, water
Property.
Contain substantial amounts of polymer (polyacrylamide) and surfactant, intractability ratio in poly- displacing oil-field oil extraction waste water
Water drive recovered water is much bigger, and water-oil separating difficulty is increased.In the case of containing gathering, oil droplet emulsion is serious in water for water water quality,
This kind of sewage is extremely difficult to extremely stable situation, Typical physical method is in ideal effect, concurrently there are floor space
Greatly, the problems such as handling process is long.
The content of the invention：
Not enough in order to overcome present in background technology, the utility model purpose is to provide a kind of oilfield sewage station plus micro-
Biological treatment flow, the application can ensure the normal operation of current polymer-flooding sewage processing system, reduce sewerage different quality,
Different geographical mutually allocates quantities, alleviates the problem of oilfield water flooding depth water insufficient water sources, simplifies sewerage and produces note balance,
Avoid wastewater disposition etc..It is newly-built in filter on the premise of the existing equipment that reuses as far as possible according to existing facility ruuning situation in station
Tank FEOL, carries out biological reinforced treatment, process facility as close possible to original process equipment flow, in polymer-bearing waste-water water high
Under the conditions of matter, it is ensured that water quality reaches even better than design objective before filter, so as to ensure that final outflow water continuous-stable is up to standard, and from root
Mitigate fillter section load in sheet, realize that poly- drive extraction sewage is combined with existing advanced treatment process and reach middle less permeable layer water quality and refer to
Mark.
The technical scheme that the utility model is used is：The oilfield sewage station adds microbial treatment device, it is characterised in that：
The device includes air flotation processing device, air supporting and microbial cleaning processing unit, microbial augmentation processing unit, at separation of solid and liquid
Reason device, intermediate pool, sludge recovery system, microorganism oxygen system；The treatment of air flotation processing device, air supporting and microbial cleaning
Device, microbial augmentation processing unit, separation of solid and liquid processing unit and intermediate pool are sequentially connected with by pipeline, air-flotation process dress
Put, air supporting and microbial cleaning processing unit, the top of microbial augmentation processing unit are respectively equipped with oil-collecting device, and each
Oil-collecting device is connected with slop tank by pipeline, 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 unit 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 reclaim
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 and 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, is correspondingly arranged on dissolved air release on the central tube below water outlet nozzle, 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 are 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 unit 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 walls top is provided with the reaction tube that bottom is taper, and the upper surface of reaction tube is upper higher than sleeve A
Top is separated into inhalant region A, bottom and is divided into gathering ground A, inhalant region A connection outlet pipe A by end face, central tube A using dividing plate, is entered
The central tube A bottoms of pool A are provided with water outlet nozzle A, and molten gas release is correspondingly arranged on the central tube A below water outlet nozzle A
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 tops are communicated with outlet pipe A, water outlet
Pipe A ends are communicated with regulation and control water tank A, and gathering ground A bottoms are communicated with water-collecting tray A；Air dissolution and biological purification outside sleeve A and reaction tube
Filler support is provided with tank, filler support is provided with filler, strain is attached with filler；
Microbial augmentation processing unit include biological reinforced process tank, biological reinforced treatment pot bottom be provided with scrape mud system and
Scrape mud system and be connected with sludge-tank is reclaimed, biological reinforced process tank center is provided with central tube B vertically, central tube B is utilized
Bottom is divided into inhalant region B by dividing plate, and the central tube B bottoms of inhalant region B are provided with water outlet nozzle B, inhalant region B connection outlet pipe B,
Outlet pipe B is provided with biological reinforced process tank top, the arrival end of outlet pipe B is communicated with multiple water-collecting tray B, and outlet pipe B's goes out
Mouth end connection regulation and control water tank B, filler support, filler support are provided with the biological reinforced process tank between outlet pipe B and outlet pipe B
B is provided with filler B, and strain is attached with filler B；Described microorganism oxygen system is by oxygen supply blower fan, cooling water pump, cooling
Tower, cooling water tank composition.
Described separation of solid and liquid processing unit includes casing, and casing upper surface is provided with cover plate, grid framework is provided with casing,
Casing internal upper part is provided with oil-collecting device, and wall box is provided with wastewater inlet, and bottom half is provided with middle part in mud discharging mouth, casing and is provided with
Stuffing box, the side for having filler, stuffing box in 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, the port of export connection elevator pump of intermediate pool, the port of export connection buffering water pot of elevator pump,
Mud discharging mouth connects the arrival end of sludge pump, and the port of export of sludge pump is connected with sludge-tank is reclaimed.
Regulation and control water tank in such scheme includes regulation and control water tank, and the bottom for regulating and controlling water tank is provided with delivery port and returns side by side
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 is driven, and manual adjustment wheel is provided with electric adjusting device, and regulation and control water tank upper surface is provided with manhole.
The beneficial effect that the utility model is used is：The utility model main flow is divided into air-flotation process process section, air supporting
And microbial cleaning handling process section, microbial augmentation handling process section, separation of solid and liquid handling process section, intermediate pool, it is equipped with
There are oil recovery system, sludge recovery system, molten gas air supply system, microorganism oxygen system etc..According to existing facility fortune in station
Market condition, it is newly-built in filter tank FEOL on the premise of the existing equipment that reuses as far as possible, biological reinforced treatment is carried out, in height
Under polymer-bearing waste-water condition of water quality, it is ensured that water quality reaches even better than design objective before filter, so as to ensure final outflow water continuous-stable
It is up to standard, and fundamentally mitigate fillter section load, realize poly- drive extraction sewage combined with existing advanced treatment process reach in it is low
Permeable formation water quality index.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is air flotation processing device schematic diagram.
Accompanying drawing 3 is air supporting and microbial cleaning processing unit schematic diagram.
Accompanying drawing 4 is microbial augmentation processing unit schematic diagram.
Accompanying drawing 5 is air flotation processing device working state schematic representation.
Accompanying drawing 6 is air supporting and microbial cleaning processing unit working state schematic representation.
Accompanying drawing 7 is microbial augmentation processing unit 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 separation of solid and liquid 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 utility model.
Accompanying drawing 13 is second process flow diagram of the utility model.
Accompanying drawing 14 is the third process flow diagram of the utility model.
Specific embodiment：
As shown in accompanying drawing, the oilfield sewage station adds microbial treatment device, the device include air flotation processing device, air supporting and
Microbial cleaning processing unit, microbial augmentation processing unit, separation of solid and liquid processing unit, intermediate pool, microorganism oxygen supply system
System；Air flotation processing device, air supporting and microbial cleaning processing unit, microbial augmentation processing unit, separation of solid and liquid processing unit
And intermediate pool is sequentially connected with by pipeline, at air flotation processing device, air supporting and microbial cleaning processing unit, microbial augmentation
The top for managing device is respectively equipped with oil-collecting device, and each oil-collecting device is connected with slop tank 17 by pipeline, slop tank 17
The port of export connect one group of sump (waste oil) pump 18, air supporting and microbial cleaning processing unit, microbial augmentation processing unit respectively with it is micro-
Biological oxygen system connection.
Air flotation processing device carries out settlement air floatation to sewage and receives oil processing first, and air flotation processing device is divided into contact zone, divides
From area, exhalant region, Shou You areas, air flotation processing device includes molten gas purification pot 1, the molten bottom of gas purification pot 1 be provided with scrape mud system and
Scrape mud system and be connected with sludge-tank 28 is reclaimed, the sludge that precipitated in molten gas purification pot 1 is delivered to recovery dirt by scraping mud system
Mud sump 28 is reclaimed, and the molten center of gas purification pot 1 is provided with central tube 2 vertically, and central tube 2 is externally provided with sleeve 3, central tube 2
Top is separated into inhalant region 7, bottom using dividing plate and is divided into gathering ground 9, the connection outlet pipe 8 of inhalant region 7, outlet pipe 8 and center
The axis direction of cylinder 2 is vertically arranged, and each outlet pipe 8 separates two small outlet pipes and exports downward again, multiple water outlets
Compared with existing single delivery port, water can more be fully contacted mouth with molten gas release water, and more than ten times of contact area increase is more sharp
Bubble in molten gas release water is contacted with sump oil and is conducive to oil removing, is also beneficial to sludge settling, and the water outlet direction of water inlet pipe 8
Relative with dissolved air release 5, the water distribution form of water inlet pipe 8 is that water is sprayed downwards, and dissolved air release 5 is upward releasing pattern, this
Sample makes water and dissolved air water, and release forms turbulent flow upwards, reaches and is sufficiently mixed, and the bottom of central tube 2 of inhalant region 7 is provided with water outlet
Nozzle 4, is correspondingly arranged on dissolved air release 5 on the central tube 2 of the lower section of water outlet nozzle 4, the dissolved air water of the release of dissolved air release 5 with
Out sewage forms convection current to water inlet pipe 8, is overflowed and net in molten gas by the upper end of sleeve 3 after being fully contacted in sleeve 3
Change tank 1 in is separated, separate oil by the molten internal upper part of gas purification pot 1 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 connects
Connect one group of air dissolved pump 20, dissolving B19 and air dissolved pump 20 are that dissolved air water is provided 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 in B19, the top of gathering ground 9 is communicated with outlet pipe 10, and the end of outlet pipe 10 is communicated with regulation and control water tank 11, catchments
The bottom of area 9 is communicated with water-collecting tray 6.The water separated after sedimentation is collected to gathering ground 9 and conveyed by outlet pipe 10 again by water-collecting tray 6
To regulation and control water tank 11.About 0.5 hour molten gas purification pot air flotation zone residence time, about 3 hours decanting zone residence times.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 and goes out water degasification in decanting zone.This Shen
Please compared with the prior art, sewage first carries out air supporting again through sedimentation in existing process, 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 for using is smaller, 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, residence time 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 unit are that the sewage that air flotation processing device is treated is further processed, gas
Floating and microbial cleaning processing unit includes air dissolution and biological purification pot 12, the bottom of air dissolution and biological purification pot 12 be provided with scrape mud system and
Scrape mud system and be connected with sludge-tank 28 is reclaimed, the sludge settled 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 the center of air dissolution and biological purification pot 12 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 walls top is provided with the reaction tube 15 that bottom is taper, reaction tube
15 upper surface 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 the central tube A 2-1 bottoms of inhalant region A 7-1 connection water inlet pipe A 8-1, inhalant region A 7-1 are installed
Have on the central tube A 2-1 below water outlet nozzle A 4-1, water outlet nozzle A 4-1 and be correspondingly arranged on dissolved air release A 5-1, enter
Water pipe A 8-1 are vertically arranged with the axis direction of central tube A 2-1, and each water inlet pipe A 8-1 separates two small water outlets again
Manage and export downwards, compared with existing single delivery port, water can more be fully contacted multiple delivery ports with molten gas release water,
Contact area increases by more than ten times, and the bubble in more conducively molten gas release water is contacted with sump oil and is conducive to oil removing, is also beneficial to sludge
Sedimentation, and outlet pipe A 8-1 water outlets directions are relative with dissolved air release A 5-1, outlet pipe A 8-1 water distribution forms be water to
Lower injection, dissolved air release A 5-1 are upward releasing pattern, and release forms turbulent flow upwards so to make water and dissolved air water, reaches
It is sufficiently mixed.Dissolved air release A 5-1 connect the port of export of dissolving A 24, the arrival end connection of dissolving A24 by pipeline
One group of air dissolved pump, dissolving A24 and air dissolved pump are that air supporting and microbial cleaning processing unit 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 tops are communicated with outlet pipe A 10-1, and outlet pipe A 10-1 ends are communicated with tune
Control water tank A 11-1, gathering ground A 9-1 bottoms are communicated with water-collecting tray A 6-1, and the water after separating and degrading is received by water-collecting tray A 6-1
Collection by outlet pipe A 10-1 to being transported to regulation and control water tank A 11-1 in gathering ground A 9-1；It is molten outside sleeve A 3-1 and reaction tube 15
Filler support 14 is provided with gas biologic purifying pot 12, filler support 14 is provided with filler 13, strain is attached with filler 13；Filler
For microorganism species apposition growth at an upper portion thereof, so as to form extensive bacterium colony degradation of contaminant.The biotic division residence time is about
3.5h.Microorganism is degraded to the organic matter in sewage, reduces the emulsification of sewage.Biotic division packing density and civil engineering knot
Structure biosystem is identical, and filler loading is identical, and the biological residence time is identical, and because liquid level increases, oxygen transmission efficiency is improved,
Biological treatment effect fully achieves protozoa pool process level.Sewage is filled with molten gas release water in sleeve A 3-1
Tap after touch, by sludge drainage system discharged by sludge settling, and water and oil overflow into reaction tube 15 by sleeve A 3-1 are suitable for reading, in reaction
Enter dissolved air flotation in cylinder 15, the bottom of reaction tube 15 is circular cone shape, and apopore sewage is provided with reaction tube 15 hence into biology
Treatment region, forms air supporting region independent in big tank, air-dissolving air-float is integrated in an air supporting point is formed in the big tank of biological treatment
From and microbiological treatment closed process, can reach preferable wastewater treatment efficiency, and can be cost-effective without individually construction
The big tank of air supporting and microbiological treatment pond.The effluent quality of air dissolution and biological purification pot can reach：Water outlet oil-containing≤50mg/L.
Microbial augmentation processing unit is that air supporting and microbial cleaning processing unit and air flotation processing device are treated
Sewage carries out single organic matter degradation intensive treatment, and microbial augmentation processing unit includes biological reinforced process tank 16, biological
The bottom of intensive treatment tank 16 is provided with to scrape mud system and scrape mud system and is connected with sludge-tank 28 is reclaimed, in biological reinforced process tank 16
The sludge for settling down is delivered to recovery sludge-tank 28 by scraping mud system, during the center of biological reinforced process tank 16 is provided with vertically
Heart cylinder B 2-2, be divided under the central tube B 2-2 of inhalant region B 7-2, inhalant region B 7-2 for bottom using dividing plate by central tube B 2-2
Portion is provided with water outlet nozzle B4-2, and inhalant region B 7-2 connection water inlet pipe B 8-2, sewage enters inhalant region B by water inlet pipe B 8-2
Sprayed in 7-2 and by water outlet nozzle B 4-2, outlet pipe B 10-2, outlet pipe B 10- are provided with the top of biological reinforced process tank 16
2 arrival end is communicated with multiple water-collecting tray B 6-2, the port of export connection regulation and control water tank B 11-2 of outlet pipe B 10-2, in sewage
Organic matter 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
Filler support 14-1, filler support B (14-1) are provided with 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 and is attached with strain；Filler supplies microorganism species apposition growth at an upper portion thereof, so that
Form extensive bacterium colony degradation of contaminant.Biotic division residence time about 3.5h.Its effluent quality can reach：Oil-containing≤20mg/L.
Microorganism is degraded to the organic matter 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 residence time is identical, and because liquid level increases, oxygen transmission efficiency is improved, 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
Into.Microorganism oxygen system is microbial augmentation processing unit, air supporting and microbial cleaning processing unit provide oxygen, for strain
Degradation of organic substances.
Described separation of solid and liquid processing unit is sent out by the dissolved air water of in the settling section of forward part, breaking milk and removing oil area and rear part
Raw device composition, separation of solid and liquid processing unit includes casing 10-3, and casing 10-3 upper surfaces are provided with cover plate 1-3, are set in casing 10-3
There is grid framework 2-3, grid framework ensure that the intensity of device is indeformable, casing 10-3 sides wall is provided with wastewater inlet 4-3, case
Body 10-3 bottoms are provided with mud discharging mouth 11-3, casing 10-3 and are provided with stuffing box 5-3 in the breaking milk and removing oil area of middle part, in stuffing box 5-3
There is filler, sewage is entered into casing 10-3 by wastewater inlet 4-3 after being processed by microbial augmentation processing unit, first stuffing box
Interior filler is adsorbed to the suspension of sewage, and the side of stuffing box 5-3 is provided with baffling dividing plate 7-3, baffling dividing plate 7-3 will be clear
Clear section and breaking milk and removing oil are distinguished and 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 walls below baffling dividing plate 7-3 are 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, the treatment of filled and dissolved air water
The water crossed is expelled to intermediate pool 13-3, middle water after flowing into settling section by the upper surface of baffling dividing plate 7-3 by pure water inlet 6-3
The port of export connection buffering water pot of the port of export connection elevator pump 14-3, elevator pump 14-3 of pond 13-3, mud discharging mouth 11-3 connections are dirty
The arrival end of dredge pump 15-3, the port of export of sludge pump 15-3 is connected with sludge-tank 28 is reclaimed.
Regulation and control water tank includes regulation and control water tank 29, and the bottom for regulating and controlling water tank 29 is provided with delivery port 30 and refluxing opening side by side
31, the regulation and control interior axle of water tank 29 is provided with central dividing plate 32 and flashboard 37 upwards, and connection lifting screw 36 in the upper end of flashboard 37 lifts spiral shell
Bar 36 is driven by electric adjusting device 35, and manual adjustment wheel 34, regulation and control water tank 29 upper end are provided with electric adjusting device 35
Face is provided with manhole 33.By liquid level gauge remote control electric adjusting device 35 (or being adjusted manually with manual adjustment wheel 34) band
Move lifting screw 36 and then flashboard 37 is lifted or is landed, regulating tank liquid level is made in tank by delivery port 30 and refluxing opening 31
Liquid level is effectively controlled, and reaches control and receives oil reservoir liquid level, it is ensured that the efficient operation of oil trap 4 arranges oil slick outside in time.
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+separation of solid and liquid：
Water carries out settlement air floatation and receives oil processing through air flotation processing device first, and the molten gas of air flotation processing device is by air dissolved pump
Supplied with release in dissolving and tank.Biology by entering air supporting and microbial cleaning processing unit after settlement air floatation treatment
Area carries out preliminary biochemical degradation (biotic division for not entering air supporting and microbial cleaning processing unit carries out air supporting), afterwards from inflow
Biological reinforced processing unit carries out bioaugmentation and biodegradation, air supporting and microbial cleaning processing unit and biological reinforced processing unit
Oxygen supply unification is provided by microorganism oxygen system, and the suspension for entering in water-filling from inflow separation of solid and liquid processing unit afterwards is separated,
Subsequently into intermediate pool, finally being delivered to subsequent filter device via elevator pump carries out advanced treating.
2nd, ten two-stage biologicals of air supporting in parallel+separation of solid and liquid：
Water respectively enters air flotation processing device and air supporting and the air flotation zone of microbial cleaning processing unit and carries out sedimentation gas
Floating to receive oil processing, the common biotic division into air supporting and microbial cleaning processing unit carries out preliminary biochemical degradation, air supporting afterwards
And microbial cleaning processing unit connection air dissolving system and molten gas pressure charging system.Carried out from the biological reinforced processing unit of inflow afterwards
Bioaugmentation and biodegradation, afterwards from equipment for separating liquid from solid is flowed into, the suspension entered in water-filling is separated, final subsequently into intermediate pool
Being delivered to subsequent filter device via elevator pump carries out advanced treating
3rd, two-stage settlement air floatation+two-stage biological+separation of solid and liquid：
Water carries out settlement air floatation and receives oil processing through air flotation processing device first, air supporting is entered afterwards and microbial cleaning is processed
The air flotation zone of device carries out secondary air supporting reinforcement treatment, carries out preliminary biochemical degradation into biotic division afterwards, biological from flowing into afterwards
Strengthening and processing device carries out bioaugmentation and biodegradation, afterwards from the suspension separation that equipment for separating liquid from solid enters in water-filling is flowed into, then
Into intermediate pool, finally being delivered to subsequent filter device via elevator pump carries out advanced treating.
The application reduces floor space as far as possible, newly-built in filter tank FEOL, biological reinforced treatment is carried out, in Gao Hanju
Under the conditions of sewage quality, it is ensured that water quality reaches even better than design objective before filter, so that ensure that final outflow water continuous-stable is up to standard,
And fundamentally mitigate fillter section load, realize that poly- drive extraction sewage is combined with existing advanced treatment process and reach middle less permeable layer
Water quality index.
Claims (2)
1. a kind of oilfield sewage station adds microbial treatment device, it is characterised in that：The device include air flotation processing device, air supporting and
Microbial cleaning processing unit, microbial augmentation processing unit, separation of solid and liquid processing unit, intermediate pool, microorganism oxygen supply system
System；Air flotation processing device, air supporting and microbial cleaning processing unit, microbial augmentation processing unit, separation of solid and liquid processing unit
And intermediate pool is sequentially connected with by pipeline, at air flotation processing device, air supporting and microbial cleaning processing unit, microbial augmentation
The top for managing device is respectively equipped with oil-collecting device, and each oil-collecting device is connected with slop tank (17) by pipeline, slop tank
(17) the port of export connects one group of sump (waste oil) pump (18), air supporting and microbial cleaning processing unit, microbial augmentation processing unit point
Do not connected 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), bottom and is divided into gathering ground (9) by central tube (2) using dividing plate, 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) passes through the port of export that pipeline connects dissolving B (19), 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 are 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 unit 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 and be connected with sludge-tank (28) is reclaimed, 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 walls top is provided with bottom
Cylinder (15), the upper surface of the upper surface higher than sleeve A (3-1) of reaction tube (15), central tube A (2-1) is answered to utilize dividing plate by top
It is separated into inhalant region A (7-1), bottom and is divided into gathering ground A (9-1), inhalant region A (7-1) connects water inlet pipe A (8-1), inhalant region A
Central tube A (2-1) bottom of (7-1) 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) passes through the port of export that pipeline connects dissolving A (24),
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
Filler support (14) is provided with cylinder (15) air dissolution and biological purification pot (12) outward, filler support (14) is provided with filler (13), fills out
Strain is attached with material (13)；
Microbial augmentation processing unit includes 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 sludge-tank (28) is reclaimed, biological reinforced process tank (16) center is provided with central tube B vertically
Bottom is divided into inhalant region B (7-2) by (2-2), central tube B (2-2) using dividing plate, 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), in biological reinforced process tank (16) top
Outlet pipe B (10-2) is provided with, 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)
Filler support B (14-1) is inside provided with, filler support B (14-1) is provided with filler B (13-1), bacterium is attached with filler B (13-1)
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 separation of solid and liquid processing unit includes casing (10-3), and casing (10-3) upper surface is provided with cover plate (1-3), casing
Grid framework (2-3) is provided with (10-3), casing (10-3) internal upper part is provided with oil-collecting device (3-3), and casing (10-3) side wall sets
There is wastewater inlet (4-3), casing (10-3) bottom is provided with middle part in mud discharging mouth (11-3), casing (10-3) and is provided with stuffing box (5-
3) side for, having filler, stuffing box (5-3) in stuffing box 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) is connected with dissolving (12-3), and 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), the port of export connection buffered water of elevator pump (14-3)
Tank, the arrival end of mud discharging mouth (11-3) connection sludge pump (15-3), the port of export and recovery sludge-tank (28) of sludge pump (15-3)
It is connected.
2. oilfield sewage station according to claim 1 adds 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 delivery port (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), manual adjustment wheel (34) is installed on electric adjusting device (35), regulate and control water tank
(29) upper surface is provided with manhole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366795.9U CN206308224U (en) | 2016-12-13 | 2016-12-13 | A kind of oilfield sewage station adds microbial treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366795.9U CN206308224U (en) | 2016-12-13 | 2016-12-13 | A kind of oilfield sewage station adds microbial treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN206308224U true CN206308224U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396301A (en) * | 2016-12-13 | 2017-02-15 | 大庆市海油庆石油科技有限公司 | Microbiological treatment device for oilfield sewage station |
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2016
- 2016-12-13 CN CN201621366795.9U patent/CN206308224U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396301A (en) * | 2016-12-13 | 2017-02-15 | 大庆市海油庆石油科技有限公司 | Microbiological treatment device for oilfield sewage station |
| CN106396301B (en) * | 2016-12-13 | 2023-02-03 | 大庆市海油庆石油科技有限公司 | Oil field sewage station adds little biological treatment device |
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