CN208345922U - Three sections of high efficiency composition processing systems of oily wastewater - Google Patents

Three sections of high efficiency composition processing systems of oily wastewater Download PDF

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Publication number
CN208345922U
CN208345922U CN201820630029.1U CN201820630029U CN208345922U CN 208345922 U CN208345922 U CN 208345922U CN 201820630029 U CN201820630029 U CN 201820630029U CN 208345922 U CN208345922 U CN 208345922U
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water
eps
caf
reaction pond
outlet
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欧阳华劲
王永东
樊万红
童长兵
张军连
董海波
王迪东
余海棠
谢文杰
曾群
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Yanchang Oil Field Co Ltd
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Yanchang Oil Field Co Ltd
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Abstract

Three sections of high efficiency composition processing systems of oily wastewater disclosed by the utility model, including conditioning tank, elevator pump is installed on the outlet pipeline of conditioning tank, the output pipe of elevator pump connects high efficiency composition EPS reactor, the output pipe of high efficiency composition EPS reactor connects three phase separator, the output end of three phase separator connects filtration system by the efficient CAF air-flotation system of piping connection, the output pipe of efficient CAF air-flotation system, and filtration system output pipe connects re-injection clear water reserviors.Three sections of high efficiency composition processing systems of oily wastewater disclosed by the utility model, it solves the problems, such as that existing oil-field flooding skid station processing technological flow is bad, processing capacity is weak, effluent quality compliance rate is low, effectively increases standard water discharge rate by the way of three sections of processing.

Description

Three sections of high efficiency composition processing systems of oily wastewater
Technical field
The utility model belongs to oilfield produced waste water processing technology field, is related at a kind of three sections of high efficiency compositions of oily wastewater Reason system.
Background technique
China major part oil field has entered the High water cut productive life, and crude oil comprehensive moisture content is most of up to 80% or more, produces Liquid moisture content constantly rises, and causes oil recovery treatment amount to increase very fast, and oilfield sewage mainly includes oil field extracted water, drilling well dirt Water and interior other types of oily wastewater of standing, with the raising of national requirements for environmental protection and the proposition of energy-saving and emission-reduction policy, containing greasy dirt Water treatment technology becomes an important factor for influencing oil field sustainable development.
Most of oil field is consumed oil layer energy constantly with the growth of development time, and pressure constantly declines, and oil well produces Oil mass greatly reduces, and in order to which the bottom sky caused by making up after crude oil produces loses, formation pressure is kept or improve, to realize oil Field stable high yield, and improve oil yield, it is therefore necessary to oil field is filled the water, up-to-standard water is injected oil from water injection well Layer, as oil displacement agent, by more crude oil, the displacement from oil reservoir is come out, and improves the recovery ratio, development rate and economic effect in oil field Rate.
Currently, the water filling water source that oil field uses mainly is made of extraction sewage, water flooding, surface water three parts, for me For environment locating for the big portion oil field of state, most water sources are both needed to that injection standard can be reached after treatment, it is contemplated that ring Border factor and economic benefit, being re-injected using extraction sewage after treatment is a kind of higher water source of oil field utilization rate, How to ensure to produce the sewage treatment destruction up to standard with the water source of reduction injection to oil reservoir environment, researches and develops energy-efficient, water outlet The high oily waste water treatment technology of probability of meeting water quality standard is current urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of three sections of high efficiency composition processing systems of oily wastewater, solve existing oil Field fills the water the problem that skid station processing technological flow is bad, processing capacity is weak, effluent quality compliance rate is low.
The utility model is the technical scheme adopted is that three sections of high efficiency composition processing systems of oily wastewater, including conditioning tank, Elevator pump is installed, the output pipe of elevator pump connects high efficiency composition EPS reactor, high efficiency composition on the outlet pipeline of conditioning tank The output pipe of EPS reactor connects three phase separator, and the output end of three phase separator passes through piping connection efficient CAF air bearing system System, the output pipe of efficient CAF air-flotation system connect filtration system, and filtration system output pipe connects re-injection clear water reserviors.
Other features of the utility model also reside in,
High efficiency composition EPS reactor includes water distribution reaction tank, and water distribution reaction tank one side wall bottom is equipped with water inlet I, water inlet Mouth I is apart from water distribution reaction tank top 20-30cm, the outlet pipeline connection of water inlet I and elevator pump, water distribution reaction tank center of top Affixed blender I, the position of the inclined side wall of top surface is also provided with dosing mouth I simultaneously, and dosing mouth I is added by piping connection demulsifier Another side wall of medicine device, water distribution reaction tank is provided with water outlet I close to the position at top, and water outlet I is connected to by diversion trench I EPS first order reaction pond one side wall bottom water inlet II, the EPS first order reaction pond affixed blender II of center of top, while top table The position of the inclined side wall in face is also provided with dosing mouth II, and dosing mouth II passes through piping connection coagulant drug-adding device, EPS first order reaction pond Another top side wall is equipped with water outlet II, and water outlet II is connected to the water inlet of EPS second order reaction pond one side wall by diversion trench II III, EPS second order reaction the pond affixed blender III of center of top, while the position of the inclined side wall of top surface is also provided with dosing mouth III, dosing mouth III are equipped with water outlet by piping connection flocculant chemicals dosing plant, another top side wall in EPS second order reaction pond III, water outlet III are connected to the water inlet IV of balanced reaction pond one side wall, another side wall bottom in balanced reaction pond by diversion trench III Portion is connected to three phase separator by diversion trench IV.
Balanced reaction bottom of pond portion connects aerator.
Three phase separator includes top cylindricality contraminated zone and the heavy bucket of lower taper, and cylindricality contraminated zone interior side wall is affixed Oil sump, the heavy bucket bottom of taper is provided with mud discharging mouth, affixed electric trowelling at the top of cylindricality contraminated zone, and side wall is apart from mud discharging mouth The affixed injection well downhole flow regulator in the position of 40-60cm, injection well downhole flow regulator are located at the lower section of oil sump, and injection well downhole flow regulator is connected to EPS clear water reserviors, EPS clear water reserviors Side wall is provided with water outlet, and water outlet distance EPS clear water reserviors top 15-20cm, EPS clear water bottom of pond portion connects aerator, and EPS is clear The water outlet in pond passes through the efficient CAF air-flotation system of pipeline connection.
Aerator includes the air dissolved pump connecting with EPS clear water reserviors, and the output pipe of air dissolved pump is connect with dissolving, molten gas The output pipe of tank is connected to high efficiency composition EPS reactor bottom.
Efficient CAF air-flotation system includes the CAF first order reaction pond being sequentially communicated and CAF second order reaction pond, first order reaction pond One side wall above be provided with water inlet, top 20cm of the water inlet apart from first order reaction pond, the water outlet of water inlet and EPS clear water reserviors For mouth by pipeline connection, another side wall upper part in CAF first order reaction pond is provided with water outlet, and water outlet passes through diversion trench and CAF second level The water inlet I connection of reaction tank one side wall bottom, another side wall upper part in CAF second order reaction pond are provided with water outlet I, and water outlet I is logical It crosses diversion trench to be connected to the water inlet II above flotation tank one side wall, the affixed High-efficiency trap of flotation tank internal side wall is efficiently caught Storage is located at the one side wall top inside flotation tank far from water inlet II, and the side wall of flotation tank is located at the lower section of High-efficiency trap also Level is connected with injection well downhole flow regulator I, and injection well downhole flow regulator I is connected to CAF clear water reserviors, and the water outlet of another side wall of CAF clear water reserviors is connected by pipeline The input terminal of Turbidity measurement system is connect, the output end of Turbidity measurement system is connected with booster pump, the output pipe connection of booster pump Filtration system.
Turbidity measurement system includes the online monitoring turbidimeter being mounted on CAF clear water reserviors outlet pipeline, online turbidity prison It surveys on the output pipe of instrument and No.1 pipeline switching valve is installed, the piping connection filtration system where No.1 pipeline switching valve, No. two pipeline switching valves, the piping connection tune where No. two pipeline switching valves are also equipped on the output pipe of line monitoring turbidimeter Save pond.
The center of top in CAF first order reaction pond and CAF second order reaction pond is connected with blender, CAF first order reaction pond Top is also provided with dosing mouth, and dosing mouth is also provided with dosing by piping connection coagulant drug-adding device, CAF second order reaction pond top Mouthful, dosing mouth passes through piping connection flocculant chemicals dosing plant;The bottom of flotation tank is also connected with micro-nano release device.
Filtration system includes quartz filter, and the side wall of quartz filter is provided with outlet, outlet walnut shell mistake Filter, the side wall of walnut shell filter are provided with outlet, outlet re-injection clear water reserviors, re-injection clear water reserviors and back purge system phase Even, the outlet of back purge system passes through sewage draining exit and the walnut shell filter bottom of piping connection quartz filter bottom respectively Sewage draining exit.
Conditioning tank one side wall is provided with water inlet, and inner inclination is connected with grid, grid be located at conditioning tank upper and lower surface it Between, the other side that conditioning tank is internally located at grid is provided with liquidometer, and another side wall of conditioning tank is also provided with water outlet, out The mouth of a river passes through piping connection elevator pump.
The utility model has the beneficial effects that three sections of high efficiency composition processing systems of oily wastewater, solve existing oil field Fill the water the problem that skid station processing technological flow is bad, processing capacity is weak, effluent quality compliance rate is low.Height in the utility model Compound EPS reactor is imitated by process optimization, successively adds demulsifier, coagulant, flocculant to oily waste water treatment, it is ensured that is dirty Greasy dirt and silt in water are separated to the greatest extent, the sewage after coagulation be again introduced into compound CAF air bearing into Row processing further removes the small oil droplet in sewage, improves standard water discharge rate.Increase in systems and the turbidity of secondary effluent is referred to Mark is detected, and the operating load of subsequent filter system is effectively reduced, and improves stable effluent quality, it passes through the inspection to turbidity It surveys, below standard part will be handled again back to conditioning tank, and processed but below standard sewage enters conditioning tank, to the dirt in pond Water plays certain diluting effect, while alleviating the operating load of I and II separation system.Device selection live again ability it is strong, The good quartz filter of filter effect and the walnut shell filter high to greasy dirt adsorption capacity, effectively improve standard water discharge rate, mention Reinjected water water quality is risen, develops oil field to greatest extent, while good economic benefit can be obtained.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of three sections of high efficiency composition processing systems of oily wastewater of the utility model;
Fig. 2 is the flow chart of three sections of high efficiency composition processing systems of oily wastewater and treatment process of the utility model.
In figure, 1. conditioning tanks, 2. grids, 3. elevator pumps, 4. water distribution reaction tanks, 5.EPS first order reaction pond, 6.EPS second level Reaction tank, 7. balanced reaction ponds, 8. three phase separators, 9.EPS clear water reserviors, 10. aerators, 11.CAF first order reaction pond, 12.CAF second order reaction pond, 13. flotation tanks, 14.CAF clear water reserviors, 15. micro-nano release devices, 16. Turbidity measurement systems, 17. Demulsifier chemicals dosing plant, 18. coagulant drug-adding devices, 19. flocculant chemicals dosing plants, 20. quartz filters, 21. walnut shells Filter, 22. back purge systems, 23. booster pumps.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Three sections of high efficiency composition processing systems of oily wastewater of the utility model, as shown in Figure 1, including conditioning tank 1, conditioning tank Elevator pump 3 is installed, the output pipe of elevator pump 3 connects high efficiency composition EPS reactor, high efficiency composition EPS on 1 outlet pipeline The output pipe of reactor connects three phase separator 8, and the output end of three phase separator 8 passes through piping connection efficient CAF air bearing system System, the output pipe of efficient CAF air-flotation system connect filtration system, and filtration system output pipe connects re-injection clear water reserviors.
High efficiency composition EPS reactor includes water distribution reaction tank 4, and 4 one side wall bottom of water distribution reaction tank is equipped with water inlet I, into Mouth of a river I is connect with the outlet pipeline of elevator pump 3, the affixed blender I of 4 center of top of water distribution reaction tank, the simultaneously inclined side of top surface The position of wall is also provided with dosing mouth I, and dosing mouth I passes through piping connection demulsifier chemicals dosing plant 17, the other side of water distribution reaction tank 4 Wall is provided with water outlet I close to the position at top, water outlet I by diversion trench I be connected to 5 one side wall bottom of EPS first order reaction pond into Mouth of a river II, EPS first order reaction the pond affixed blender II of 5 center of top, while the position of the inclined side wall of top surface is also provided with dosing Mouth II, dosing mouth II are equipped with water outlet by piping connection coagulant drug-adding device 18, another top side wall in EPS first order reaction pond 5 Mouth II, water outlet II are connected to water inlet III, the EPS second order reaction Chi6Ding of 6 one side wall of EPS second order reaction pond by diversion trench II The affixed blender III in portion center, while the position of the inclined side wall of top surface is also provided with dosing mouth III, dosing mouth III passes through pipeline Flocculant chemicals dosing plant 19 is connected, another top side wall in EPS second order reaction pond 6 is equipped with water outlet III, and water outlet III is by leading Chute III is connected to the water inlet IV of 7 one side wall of balanced reaction pond, and another sidewall bottom in balanced reaction pond 7 is connected by diversion trench IV Logical three phase separator 8.
7 bottom of balanced reaction pond connects aerator 10.
Three phase separator 8 includes top cylindricality contraminated zone and the heavy bucket of lower taper, and cylindricality contraminated zone interior side wall is solid Oil sump is connect, the heavy bucket bottom of taper is provided with mud discharging mouth, affixed electric trowelling at the top of cylindricality contraminated zone, and side wall is apart from spoil disposal The affixed injection well downhole flow regulator in position of mouth 40-60cm, injection well downhole flow regulator are located at the lower section of oil sump, and injection well downhole flow regulator is connected to EPS clear water reserviors 9, EPS clear water 9 side wall of pond is provided with water outlet, 9 top 15-20cm of water outlet distance EPS clear water reserviors, and 9 bottom of EPS clear water reserviors connects aerator The water outlet of 10, EPS clear water reserviors 9 passes through the efficient CAF air-flotation system of pipeline connection.
Efficient CAF air-flotation system includes the CAF first order reaction pond 11 and CAF second order reaction pond 12 being sequentially communicated, and level-one is anti- It answers and is provided with water inlet, top 20cm of the water inlet apart from first order reaction pond 11, water inlet and EPS clear water above the one side wall in pond 11 The water outlet in pond 9 is provided with water outlet by pipeline connection, another side wall upper part in CAF first order reaction pond 11, and water outlet passes through water conservancy diversion Slot is connect with the water inlet I of 12 one side wall bottom of CAF second order reaction pond, and another side wall upper part in CAF second order reaction pond 12 is provided with out Mouth of a river I, water outlet I are connected to by diversion trench with the water inlet II above 13 one side wall of flotation tank, and 13 internal side wall of flotation tank is solid High-efficiency trap is connect, High-efficiency trap is located at 13 one side wall top of the inside far from water inlet II of flotation tank, the side of flotation tank 13 The lower section also level that wall is located at High-efficiency trap is connected with injection well downhole flow regulator I, and injection well downhole flow regulator I is connected to CAF clear water reserviors 14, CAF clear water reserviors 14 Another side wall water outlet by the input terminal of piping connection Turbidity measurement system 16, the output end of Turbidity measurement system 16 connects It is connected to booster pump 23, the output pipe of booster pump connects filtration system.
Turbidity measurement system 16 includes the online monitoring turbidimeter being mounted on 14 outlet pipeline of CAF clear water reserviors, online turbid It spends on the output pipe of monitor and No.1 pipeline switching valve is installed, the piping connection where No.1 pipeline switching valve filters system It unites, is also equipped with No. two pipeline switching valves, the pipeline where No. two pipeline switching valves on the output pipe of online monitoring turbidimeter Connect conditioning tank 1.
The center of top in CAF first order reaction pond 11 and CAF second order reaction pond 12 is connected with blender, CAF first order reaction The top in pond 11 is also provided with dosing mouth, and dosing mouth passes through piping connection coagulant drug-adding device 18,12 top of CAF second order reaction pond Also it is provided with dosing mouth, dosing mouth passes through piping connection flocculant chemicals dosing plant 19;The bottom of flotation tank 13 is also connected with micro-nano Release device 15.
Filtration system includes quartz filter 20, and the side wall of quartz filter 20 is provided with outlet, outlet walnut Shell filter 21, the side wall of walnut shell filter 21 are provided with outlet, outlet re-injection clear water reserviors, re-injection clear water reserviors and backwash Device 22 is connected, and the outlet of back purge system passes through the sewage draining exit and walnut shell of 20 bottom of piping connection quartz filter respectively The sewage draining exit of 21 bottom of filter.
1 one side wall of conditioning tank is provided with water inlet, and inner inclination is connected with grid 2, and grid 2 is located at and following table on conditioning tank 1 Between face, the other side that conditioning tank 1 is internally located at grid 2 is provided with liquidometer, and another side wall of conditioning tank 1 is also provided with out The mouth of a river, water outlet pass through piping connection elevator pump 3.
Three sections of high efficiency composition processing systems of oily wastewater of the utility model, efficient composite EPS reactor are provided with three A reaction tank (water distribution reaction tank 4, first order reaction pond 5, second order reaction pond 6), successively add demulsifier, coagulant, flocculant with Sewage reaction, further increases oily waste degradation rate, while increasing the water flow residence time, it is ensured that reaction is more uniform;It is efficiently multiple Three phase separator 8 in box-like EPS reactor is provided with from decanter type taper mud-removing bucket, it is ensured that flocculated walk settles heel row Out, sludge removal rate is improved;The injection well downhole flow regulator inside three phase separator 8 in efficient composite EPS reactor is mounted on the bottom of apart from At portion 40-60cm, and Open Side Down for the branched pipe water inlet of injection well downhole flow regulator, and the walk because of free settling is effectively prevent to bring sparge pipe into Standard water discharge rate is improved to reduce junior's processing equipment operating pressure in road;
The pneumatically supported special air-dissolving apparatus of CAF can preferably be mixed aqueous vapor by the air-dissolving apparatus of special designing, it is ensured that The gas being delivered in the mixing wastewater with air liquid of micro-nano release device 15 disperses evenly and stably, and is released by micro-nano release device 15 The nano bubble of high degree of dispersion is released as carrier, sticks small grease droplet particles under dissolution and the suspended state in sewage, makes It forms density and is less than the micelle of water and floats to the water surface, improves oily waste degradation rate;Filtration system uses secondary filtration, wherein with 20 high recycling rate of quartz filter, preferable filter effect reduce the load of walnut shell filter 21, improve equipment Service life.
Demulsifier is mainly the widely used inorganic demulsifier in current oil field, mainly includes bodied ferric sulfate (PFS), polymerization Iron chloride (PFC), aluminium polychloride (PAC), iron chloride (FeCl3);Organic emulsion breaker specifically includes that SP type demulsifier, AP type Demulsifier, AE type demulsifier, AR type demulsifier.
Coagulant specifically includes that aluminum sulfate (Al2(SO4)3), ferric trichloride (FeCl3), aluminium polychloride (PAC), polymerization Ferric sulfate (PFS), poly-ferric chloride (PFC), polyaluminium sulfate (PAS).
Flocculant specifically includes that (1) based on natural macromolecule organic, increases its activity by chemical treatment Group content and be made;(2) with the polyacrylamide series product of modern organic chemical industry's method synthesis;(3) natural material is used It is made with Polyacrylamide Grafted (or copolymerization), most common is PAM.
Balanced reaction pond 7 is additionally arranged at the bottom of micro- aerator 10, by the micro-bubble phase of pretreated sewage and rising It meets, the microbubble of greasy dirt floc sedimentation and 30-40 μm of size in sewage is sufficiently mixed, after adhering to a large amount of microbubbles due to oil droplet, table It sees density to reduce, buoyancy increases, and flocculated oil droplet can be taken to the water surface, improves water-oil separating rate.
8 bottom of three phase separator is equipped with mud-removing bucket, and the particles such as biggish silt of density will be in the row of being deposited under coagulation In bucket, by hydraulic pressure gravity, timing spoil disposal, and sludge is sent into collection mud sump, is focused on.
Efficient CAF air-flotation system will carry out the sewage that level-one separates, and dosing coagulant and flocculant react again, Ensure that the tiny greasy dirt in sewage can be efficiently separated removal again.
Turbidity monitor system 16 is monitored the sewage after the second-order separation, up to standard into junior's filtration system, below standard Conditioning tank is then reentered, water is diluted, equipment operating load is effectively reduced, improves standard water discharge rate.
Quartz filter 20 is mounted on 21 front end of walnut shell filter to improve filter effect, while mistake by filtration system Filter is equipped with back purge system 22, improves the service life of filter, effectively ensures filtered effluent quality compliance rate.
Its course of work of three sections of the oily wastewater high efficiency composition processing system of the utility model is as follows: as shown in Fig. 2, first Sewage in factory enters conditioning tank 1, is delivered in high efficiency composition EPS reactor by elevator pump 3, while in high efficiency composition Demulsifier, coagulation are added respectively in water distribution reaction tank 4, EPS first order reaction pond 5 and EPS second order reaction pond 6 in EPS reactor Agent and flocculant simultaneously stir, so that demulsification reaction occurs first for sewage, preliminary water-oil separating is carried out to oily wastewater, is coagulated simultaneously Then silt in poly- sewage adsorbs under the action of flocculant greasy dirt and silt condensate and enters balance at apparent wadding body Reaction tank 7 enters three phase separator 8 progress greasy dirt, water, sludge three phase separation after forming stable floc sedimentation, and that isolates is relatively clear Sewage enters EPS clear water reserviors 9;
Then, sewage more clear in EPS clear water reserviors 9 is input in efficient CAF air-flotation system, again add coagulant and Flocculant simultaneously stirs evenly, and original greasy dirt condensate is formed bigger wadding body, greasy dirt is wadded a quilt with cotton by micro-nano release device 15 Body and water carry out isolated water body part, and water body part is passed through to the detection of Turbidity measurement system, if treated water body When partial turbidity is higher than setting value, system switches to water outlet on return line, flow to conditioning tank 1;It is turbid such as water body part When degree is lower than setting value, system switches back to water outlet in filtration system;
Finally, turbidity water body part up to standard is transported in filtration system, first pass through after quartz filter 20 filters again Into walnut shell filter 21, re-injection clear water reserviors are delivered to after secondary filtration is up to standard.

Claims (10)

1. three sections of high efficiency composition processing systems of oily wastewater, which is characterized in that including conditioning tank (1), the conditioning tank (1) goes out It is equipped in water lines elevator pump (3), the output pipe of the elevator pump (3) connects high efficiency composition EPS reactor, described efficient The output pipe of compound EPS reactor connects three phase separator (8), and the output end of the three phase separator (8) is connected by pipeline Efficient CAF air-flotation system is connect, the output pipe of the efficient CAF air-flotation system connects filtration system, the filtration system output Piping connection re-injection clear water reserviors.
2. three sections of high efficiency composition processing systems of oily wastewater as described in claim 1, which is characterized in that the high efficiency composition EPS reactor includes water distribution reaction tank (4), and water distribution reaction tank (4) the one side wall bottom is equipped with water inlet I, the water inlet I Apart from water distribution reaction tank (4) the top 20-30cm, the water inlet I is connect with the outlet pipeline of the elevator pump (3), institute The position for stating the affixed blender I of water distribution reaction tank (4) center of top while the inclined side wall of top surface is also provided with dosing mouth I, described Dosing mouth I is by piping connection demulsifier chemicals dosing plant (17), the position of another side wall of the water distribution reaction tank (4) close to top It sets and is provided with water outlet I, the water outlet I is connected to EPS first order reaction pond (5) one side wall bottom water inlet II, institute by diversion trench I The affixed blender II of EPS first order reaction pond (5) center of top is stated, while the position of the inclined side wall of top surface is also provided with dosing mouth II, the dosing mouth II pass through piping connection coagulant drug-adding device (18), another side wall top in EPS first order reaction pond (5) Portion is equipped with water outlet II, and the water outlet II is connected to the water inlet III of EPS second order reaction pond (6) one side wall by diversion trench II, The affixed blender III of EPS second order reaction pond (6) center of top, while the position of the inclined side wall of top surface is also provided with dosing Mouth III, the dosing mouth III pass through piping connection flocculant chemicals dosing plant (19), EPS second order reaction pond (6) other side Water outlet III is equipped at the top of wall, the water outlet III is connected to the water inlet of balanced reaction pond (7) one side wall by diversion trench III IV, another sidewall bottom of the balanced reaction pond (7) are connected to the three phase separator (8) by diversion trench IV.
3. three sections of high efficiency composition processing systems of oily wastewater as claimed in claim 2, which is characterized in that the balanced reaction pond (7) bottom connection aerator (10).
4. three sections of high efficiency composition processing systems of oily wastewater as described in claim 1, which is characterized in that the three phase separator It (8) include top cylindricality contraminated zone and the heavy bucket of lower taper, the affixed oil sump of the cylindricality contraminated zone interior side wall is described The heavy bucket bottom of taper is provided with mud discharging mouth, affixed electric trowelling at the top of the cylindricality contraminated zone, and side wall is apart from the spoil disposal The affixed injection well downhole flow regulator in position of mouth 40-60cm, the injection well downhole flow regulator are located at the lower section of the oil sump, and the injection well downhole flow regulator connection EPS is clear Pond (9), EPS clear water reserviors (9) side wall are provided with water outlet, and the water outlet is apart from EPS clear water reserviors (9) the top 15- 20cm, EPS clear water reserviors (9) bottom connect aerator (10), and the water outlet of the EPS clear water reserviors (9) is connected by pipeline Lead to efficient CAF air-flotation system.
5. three sections of high efficiency composition processing systems of oily wastewater as claimed in claim 4, which is characterized in that the aerator It (10) include the air dissolved pump being connect with the EPS clear water reserviors (9), the output pipe of the air dissolved pump is connect with dissolving, described The output pipe of dissolving is connected to high efficiency composition EPS reactor bottom.
6. three sections of high efficiency composition processing systems of oily wastewater as claimed in claim 4, which is characterized in that the efficient CAF gas Floating system includes the CAF first order reaction pond (11) and CAF second order reaction pond (12) being sequentially communicated, the first order reaction pond (11) Be provided with water inlet above one side wall, top 20cm of the water inlet apart from the first order reaction pond (11), the water inlet with The water outlet of the EPS clear water reserviors (9) is provided with out by pipeline connection, CAF first order reaction pond (11) another side wall upper part The mouth of a river, the water outlet is connect by diversion trench with the water inlet I of CAF second order reaction pond (12) one side wall bottom, described CAF second order reaction pond (12) another side wall upper part is provided with water outlet I, and the water outlet I passes through diversion trench and flotation tank (13) one Water inlet II connection above side wall, the affixed High-efficiency trap of flotation tank (13) internal side wall, the High-efficiency trap position In the internal one side wall top far from water inlet II of the flotation tank (13), the side wall of the flotation tank (13) is located at described efficient The lower section of trap also level is connected with injection well downhole flow regulator I, and the injection well downhole flow regulator I is connected to CAF clear water reserviors (14), the CAF clear water reserviors (14) water outlet of another side wall passes through the input terminal of piping connection Turbidity measurement system (16), the Turbidity measurement system (16) output end is connected with booster pump (23), and the output pipe of the booster pump (23) connects the filtration system.
7. three sections of high efficiency composition processing systems of oily wastewater as claimed in claim 6, which is characterized in that the Turbidity measurement system System (16) includes the online monitoring turbidimeter being mounted on CAF clear water reserviors (14) outlet pipeline, the online turbidity monitor No.1 pipeline switching valve is installed on the output pipe of instrument, filters system described in the piping connection where the No.1 pipeline switching valve It unites, is also equipped with No. two pipeline switching valves, No. two pipeline switching valves institute on the output pipe of the online monitoring turbidimeter Piping connection described in conditioning tank (1).
8. three sections of high efficiency composition processing systems of oily wastewater as claimed in claim 6, which is characterized in that the CAF level-one is anti- The center of top in Ying Chi (11) and CAF second order reaction pond (12) is connected with blender, CAF first order reaction pond (11) Top be also provided with dosing mouth, the dosing mouth passes through piping connection coagulant drug-adding device (18), CAF second order reaction pond (12) top is also provided with dosing mouth, and the dosing mouth passes through piping connection flocculant chemicals dosing plant (19);The flotation tank (13) Bottom be also connected with micro-nano release device (15).
9. three sections of high efficiency composition processing systems of oily wastewater as described in claim 1, which is characterized in that the filtration system packet It includes quartz filter (20), the side wall of the quartz filter (20) is provided with outlet, the outlet walnut shell filter Device (21), the side wall of the walnut shell filter (21) are provided with outlet, the outlet re-injection clear water reserviors, the re-injection clear water Pond is connected with back purge system (22), and the outlet of the back purge system passes through quartz filter described in piping connection respectively (20) sewage draining exit of the sewage draining exit of bottom and the walnut shell filter (21) bottom.
10. three sections of high efficiency composition processing systems of oily wastewater as described in claim 1, which is characterized in that the conditioning tank (1) One side wall is provided with water inlet, and inner inclination is connected with grid (2), and the grid (2) is located at and the conditioning tank (1) upper and lower surface Between, the other side that the conditioning tank (1) is internally located at the grid (2) is provided with liquidometer, and the conditioning tank (1) Another side wall is also provided with water outlet, and the water outlet passes through elevator pump (3) described in piping connection.
CN201820630029.1U 2018-04-28 2018-04-28 Three sections of high efficiency composition processing systems of oily wastewater Active CN208345922U (en)

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