CN208648945U - Compound oil partiting precipitation pool - Google Patents
Compound oil partiting precipitation pool Download PDFInfo
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- CN208648945U CN208648945U CN201820628928.8U CN201820628928U CN208648945U CN 208648945 U CN208648945 U CN 208648945U CN 201820628928 U CN201820628928 U CN 201820628928U CN 208648945 U CN208648945 U CN 208648945U
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Abstract
Compound oil partiting precipitation pool disclosed by the utility model, including water distribution reaction tank, water distribution reaction tank is connected to first stage precipitation tank, first stage precipitation tank connects three phase separation pond, three phase separation pond internal side wall is connected with oil sump close to top, and oil sump is located at the side inside three phase separation pond far from first stage precipitation tank, and oil sump is connected to second-level settling pond, second-level settling pond connects clear water reserviors, and clear water reserviors connect next stage processing equipment by water outlet.Compound oil partiting precipitation pool disclosed by the utility model solves the problems, such as that effluent quality existing in the prior art is unstable, equipment operating load Yamato power is at high cost, increase compound oil partiting precipitation pool before existing processing equipment, it can be unstable with effective solution effluent quality, it reduces equipment operating load and improves the stability of effluent quality, further increase oily waste degradation rate.
Description
Technical field
The utility model belongs to oilfield produced waste water processing technology field, is related to a kind of compound oil partiting precipitation pool.
Background technique
During oil extraction, because oil reservoir trap is good, water supplement in side is insufficient, and prime stratum energy successively decreases rapidly, with
Self-spray mode (primary oil recovery) exploitation petroleum is difficult to maintain for a long time.In order to keep the energy of oil reservoir, artificially to injecting inside oil reservoir
A large amount of water maintain oil reservoir energy or slow down the pressure drop rate of oil reservoir, and this mode exploits petroleum and is known as secondary oil recovery.With oil
Field is continually developed, and water injection rate demand increases year by year, and water filling water resources problem has become the very important problem of secondary oil recovery;In addition
Moisture content is gradually increased in the petroleum of output, and oil recovery process can generate a large amount of oily wastewater, contains a large amount of oil in recovered water
Dirty and silt, untreated oily wastewater will bring serious environmental problem.If recovered water is reached can after processing
Water filling standard not only can solve the environmental problem of sewage, while can also alleviate the realistic problem of water filling water scarcity.
Oil extraction-generated waste water usually contains the suspended solids such as a large amount of oil emulsion, silt, such sewage generallys use demulsification, flocculation
Equal pretreatment process make oil emulsion break milk separation, and the modes such as suspended matter flocculation sedimentation or floating are separated with water body, then through second level mistake
The depth removal intracorporal dissolved oil of water and small suspended matter are filtered, re-injection or discharge standard are reached.Pretreating process usually selects gas
Floating apparatus, oil separator, sedimentation basin etc..However because of the density of pollutant difference, the performance difference that processing is showed after flocculating is very big,
Suspension oil droplet floats because density is lower than water body, can be separated by air bearing and oil separator.And silt and oil-sand etc. in sewage
Suspended solid precipitating easy to form after flocculating, the substance are easy to form precipitating in air bearing or oil removal bottom of pond portion, can be because of blocking
There is the system failure in pipeline.Selective precipitation pond, then can be because of small outstanding as pretreating process in existing sewage disposal process
Oil slick drop is separated with water body and is not thorough, and greasy dirt enters filter, will lead to filter leaching material pollution with it is hardened, shorten making for filtrate
With the service life, increase the problems such as filter pressure loses.
Utility model content
The purpose of the utility model is to provide a kind of compound oil partiting precipitation pools, solve water outlet water existing in the prior art
The problem that matter is unstable, equipment operating load Yamato power is at high cost.
The utility model is the technical scheme adopted is that compound oil partiting precipitation pool, including water distribution reaction tank, water distribution reaction tank
It is connected to first stage precipitation tank, first stage precipitation tank connects three phase separation pond, and three phase separation pond internal side wall is connected with oil-collecting close to top
Pond, oil sump are located at the side inside three phase separation pond far from first stage precipitation tank, and oil sump is connected to second-level settling pond, two-stage precipitation
Pond connects clear water reserviors, and clear water reserviors connect next stage processing equipment by water outlet.
Other features of the utility model also reside in,
Water distribution reaction tank one side wall top is provided with water inlet, and water distribution reaction tank upper surface center is connected with blender, stirs
The stirring body for mixing device is located inside water distribution reaction tank, and another sidewall bottom of water distribution reaction tank is provided with water dispensing board, water distribution reaction tank
First stage precipitation tank is communicated to by water dispensing board.
Water distribution plate surface is uniformly provided with several water-distributing gaps.
First stage precipitation tank includes top cylindricality sewage sludge area and the heavy bucket of lower taper, the cylindrical sewage sludge area in top
Middle part level is connected with filler frame a, and the upper surface of filler frame a is concordant with the top of water dispensing board, cylindricality sewage sludge area upper side
Wall is provided with overflow plate a, and overflow plate a is located at side of the cylindricality sewage sludge area far from water dispensing board, and positioned at the upper of filler frame a
Portion, overflow plate a connection three phase separation pond, the heavy bucket bottom of taper are provided with mud discharging mouth.
Affixed several inclined tubes inside filler frame a, the axis of inclined tube and horizontal angle are 45 °.
Three phase separation pond upper surface is concordant with the top overflow plate a, and affixed electric trowelling at the top of three phase separation pond.
Oil sump sidewall bottom is provided with oil discharge outlet, and it is all the way oil extraction blow-down pipe, connection is logical all the way that oil discharge outlet outlet, which divides two-way,
Second-level settling pond, second-level settling pond includes that top cylindricality sewage sludge area and lower taper sink bucket, in cylindricality sewage sludge area
Portion's level is connected with filler frame b, and the upper surface of filler frame b is connected to oil discharge outlet, and cylindricality sewage sludge area upper portion side wall is provided with
Overflow plate b, overflow plate b are located at one side wall of the cylindricality sewage sludge area far from oil discharge outlet, and are located at the top filler frame b, taper
Heavy bucket bottom is equipped with sewage draining exit, and cylindricality sewage sludge area and the heavy bucket junction level of taper are also connected with injection well downhole flow regulator, water distribution
Device entrance is connected with three phase separation pond.
Affixed several inclined tubes inside filler frame b, the axis of inclined tube and horizontal angle are 45 °.
Injection well downhole flow regulator includes supervisor, is responsible for as DN65 pipeline, every 10cm in each one 40cm long of horizontal connection in two sides on supervisor
DN20 pipeline, DN20 duct bottom every 3cm be provided with diameter be 8mm water distributing pore.
Overflow plate b is connected to clear water reserviors, and clear water reserviors side wall is provided with water outlet, and water outlet is located at clear water reserviors far from overflow plate b's
One side wall.
The utility model has the beneficial effects that compound oil partiting precipitation pool, solves and effluent quality exists in the prior art not
Stablize, the problem that equipment operating load Yamato power is at high cost.Increase compound oil partiting precipitation pool before existing processing equipment, it can be with
Effective solution effluent quality is unstable, reduces equipment operating load and increase hydraulic detention time further increasing oily waste degradation
Rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the compound oil partiting precipitation pool of the utility model.
In figure, 1. water inlets, 2. blenders, 3. water distribution reaction tanks, 4. water dispensing boards, 5. first stage precipitation tanks, 6. mud discharging mouths,
7. condiment frame a, 8. overflow plate a, 9. three phase separation ponds, 10. oil sumps, 11. oil discharge outlets, 12. electric trowellings, 13. two-stage precipitations
Pond, 14. filler frame b, 15. injection well downhole flow regulators, 16. sewage draining exits, 17. overflow plate b, 18. clear water reserviors, 19. water outlets.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The compound oil partiting precipitation pool of the utility model, structural schematic diagram are shown in Fig. 1, including water distribution reaction tank 3, water distribution reaction tank
3 connection first stage precipitation tanks 5, first stage precipitation tank 5 connect three phase separation pond 9, and 9 internal side wall of three phase separation pond is connected with close to top
Oil sump 10, oil sump 10 are located at 9 side of the inside far from first stage precipitation tank 5 of three phase separation pond, and it is heavy that oil sump 10 is connected to second level
Shallow lake pond 13, second-level settling pond 13 connect clear water reserviors 18, and clear water reserviors 18 connect next stage processing equipment by water outlet 19.
3 one side wall top of water distribution reaction tank is provided with water inlet 1, and 3 upper surface center of water distribution reaction tank is connected with blender
2, the stirring body of blender 2 is located inside water distribution reaction tank 3, and another sidewall bottom of water distribution reaction tank 3 is provided with water dispensing board 4, matches
Water reaction tank 3 is communicated to first stage precipitation tank 5 by water dispensing board 4.
4 surface of water dispensing board is uniformly provided with several water-distributing gaps.
First stage precipitation tank 5 includes top cylindricality sewage sludge area and the heavy bucket of lower taper, the cylindrical sewage sludge in top
Level is connected with filler frame a7 in the middle part of area, and the upper surface of filler frame a7 is concordant with the top of water dispensing board 4, in cylindricality sewage sludge area
Portion's side wall is provided with overflow plate a8, and overflow plate a8 is located at side of the cylindricality sewage sludge area far from water dispensing board 4, and is located at filler
The top of frame a7, overflow plate a8 connection three phase separation pond 9, the heavy bucket bottom of taper are provided with mud discharging mouth 6.
Affixed several inclined tubes inside filler frame a7, the axis of inclined tube and horizontal angle are 45 °.
9 upper surface of three phase separation pond is concordant with the top overflow plate a8, and the 9 affixed electric trowelling in top of three phase separation pond
12。
10 sidewall bottom of oil sump is provided with oil discharge outlet 11, and it is all the way oil extraction blow-down pipe, all the way that the outlet of oil discharge outlet 11, which divides two-way,
Logical second-level settling pond 13 is connected, second-level settling pond 13 includes top cylindricality sewage sludge area and the heavy bucket of lower taper, and cylindricality is dirty
Level is connected with filler frame b14 in the middle part of water mud-sinking area, and the upper surface of filler frame b14 is connected to oil discharge outlet 11, cylindricality sewage sludge
Area's upper portion side wall is provided with overflow plate b17, and overflow plate b17 is located at one side wall of the cylindricality sewage sludge area far from oil discharge outlet 11, and
And it is located at the top filler frame b14, taper sinks bucket bottom equipped with sewage draining exit 16, and cylindricality sewage sludge area connects with the heavy bucket of taper
The place's of connecing level is also connected with injection well downhole flow regulator 15, and 15 entrance of injection well downhole flow regulator is connected with three phase separation pond 9.
Affixed several inclined tubes inside filler frame b14, the axis of inclined tube and horizontal angle are 45 °.
Injection well downhole flow regulator 15 includes supervisor, is responsible for as DN65 pipeline, every 10cm in each one 40cm of horizontal connection in two sides on supervisor
Long DN20 pipeline, DN20 duct bottom are provided with the water distributing pore that diameter is 8mm every 3cm, and general each pond is arranged two,
Its caliber and length can suitably increase and decrease according to pond body size.
Overflow plate b17 is connected to clear water reserviors 18, and 18 side wall of clear water reserviors is provided with water outlet 19, and water outlet 19 is located at clear water reserviors 18
One side wall far from overflow plate b17.
The working principle of the compound oil partiting precipitation pool of the utility model is that first oily wastewater is added in water distribution reaction tank 3
Demulsifier carries out preliminary water-oil separating, is dispersed in sewage in the form of small oil droplet.Dosing coagulant and flocculant again make micro-
Small oil droplet mutually bonds cohesion, and wadding body is grown up to after certain volume, enters three-phase after entering first stage precipitation tank 5 by water dispensing board 4
Separate tank 9, the oil slick overflow to float on the surface is into oil sump 10;Simultaneously because the silt wadding body of the effect formation of flocculant is because of weight
Power effect sinks in the mud-removing bucket of bottom of pond, and part tiny oil droplets and suspension are still contained in the sewage after first separation
Object is arranged due to the inclined plate of special injection well downhole flow regulator 15 and inclined tube filler 14 and is designed, make two-stage precipitation using second-level settling pond 13
Pond has stronger processing capacity, it is ensured that after second level oil partiting precipitation pool three phase separation, water outlet reaches refined filtration standard.
The compound oil partiting precipitation pool course of work of the utility model is as follows: oily wastewater to be processed being passed through water inlet first
Mouthful 1 enters water distribution reaction tank 3, while turn on agitator 2, be then successively added in water distribution reaction tank 3 demulsifier, flocculation aid,
Flocculant passes through strong stirring, and the sewage of preliminary treatment enters first stage precipitation tank 5 by the water-distributing gap on water dispensing board 4, through medicament
Effect major part greasy dirt form oil slick foam and most of silt flocculation sedimentation, upper layer oil slick sewage by overflow plate a8 into
Enter blowoff basin, silt flocculation group is deposited in 5 bottom of first stage precipitation tank by inclined tube condiment frame a7, periodically opens mud discharging mouth 6 and discharge
Base sludge.Electric trowelling 12 on three phase separation pond 9 is run always, constantly by oil slick foam and suspended matter in pond scrape into
In oil sump 10, and periodically turn on the greasy dirt in the discharge of oil discharge outlet 11 pond;It is left more clear sewage in three phase separation pond 9 to pass through
Injection well downhole flow regulator 15 enters second-level settling pond 13 and the silt floc sedimentation of some low-density, small volume in sewage is passed through inclined tube filler frame
B14 is slowly precipitated to bottom of pond, periodically opens spoil disposal dirt mouth 16 and 13 pool bottom sludge of second-level settling pond is discharged.It relatively removes contamination on pond upper layer
Water enters clear water reserviors 18 by overflow plate 17 and enters junior's processing equipment by water outlet 19.
The compound oil partiting precipitation pool of the utility model, water-oil separating crude separation removal rate reach 85%, cement sand separation rate
Reach 99%, while removal efficiency in water removal being gone to reach 90%, reduces the operating load of subsequent processing device, reduce equipment
Maintenance cost improves the stability and compliance rate of effluent quality.
Claims (10)
1. compound oil partiting precipitation pool, which is characterized in that including water distribution reaction tank (3), water distribution reaction tank (3) the connection level-one is heavy
Shallow lake pond (5), the first stage precipitation tank (5) connect three phase separation pond (9), and three phase separation pond (9) internal side wall is close to top
It is connected with oil sump (10), it is internal far from the first stage precipitation tank (5) that the oil sump (10) is located at the three phase separation pond (9)
Side, the oil sump (10) is connected to second-level settling pond (13), and the second-level settling pond (13) connects clear water reserviors (18), described
Clear water reserviors (18) connect next stage processing equipment by water outlet (19).
2. compound oil partiting precipitation pool as described in claim 1, which is characterized in that water distribution reaction tank (3) the one side wall top
It is provided with water inlet (1), water distribution reaction tank (3) the upper surface center is connected with blender (2), and blender (2) are stirred
It mixes body and is located at water distribution reaction tank (3) inside, another sidewall bottom of the water distribution reaction tank (3) is provided with water dispensing board (4), institute
It states water distribution reaction tank (3) and the first stage precipitation tank (5) is communicated to by the water dispensing board (4).
3. compound oil partiting precipitation pool as claimed in claim 2, which is characterized in that the water dispensing board (4) is if surface is uniformly provided with
Dry water-distributing gap.
4. compound oil partiting precipitation pool as claimed in claim 2, which is characterized in that the first stage precipitation tank (5) includes upper post
Shape sewage sludge area and the heavy bucket of lower taper, the cylindrical sewage sludge area middle part level in top are connected with filler frame a
(7), the upper surface of the filler frame a (7) is concordant with the top of the water dispensing board (4), cylindricality sewage sludge area upper side
Wall is provided with overflow plate a (8), and the overflow plate a (8) is located at one of cylindricality sewage sludge area far from the water dispensing board (4)
Side, and it is located at the top of the filler frame a (7), the overflow plate a (8) connects the three phase separation pond (9), the taper
Heavy bucket bottom is provided with mud discharging mouth (6).
5. compound oil partiting precipitation pool as claimed in claim 4, which is characterized in that the filler frame a (7) is internal affixed several oblique
Pipe, the axis of the inclined tube and horizontal angle are 45 °.
6. compound oil partiting precipitation pool as claimed in claim 4, which is characterized in that three phase separation pond (9) upper surface and institute
It is concordant to state overflow plate a (8) top, and affixed electric trowelling (12) at the top of the three phase separation pond (9).
7. compound oil partiting precipitation pool as described in claim 1, which is characterized in that oil sump (10) sidewall bottom is provided with row
Hydraulic fluid port (11), oil discharge outlet (11) outlet divide two-way, are all the way oil extraction blow-down pipe, the second-level settling pond is led in connection all the way
(13), the second-level settling pond (13) includes top cylindricality sewage sludge area and the heavy bucket of lower taper, and the cylindricality sewage is heavy
Level is connected with filler frame b (14) in the middle part of mud area, and the upper surface of the filler frame b (14) is connected to the oil discharge outlet (11), institute
It states cylindricality sewage sludge area upper portion side wall to be provided with overflow plate b (17), it is remote that the overflow plate b (17) is located at cylindricality sewage sludge area
One side wall from oil discharge outlet (11), and it is located at filler frame b (14) top, the taper sinks bucket bottom equipped with sewage draining exit
(16), cylindricality sewage sludge area and the heavy bucket junction level of taper are also connected with injection well downhole flow regulator (15), the injection well downhole flow regulator
(15) entrance is connected with the three phase separation pond (9).
8. compound oil partiting precipitation pool as claimed in claim 7, which is characterized in that the filler frame b (14) is internal affixed several
Inclined tube, the axis of the inclined tube and horizontal angle are 45 °.
9. compound oil partiting precipitation pool as claimed in claim 7, which is characterized in that the injection well downhole flow regulator (15) includes supervisor, described
Being responsible for is DN65 pipeline, the DN20 pipeline on the supervisor every 10cm in each one 40cm long of horizontal connection in two sides, the DN20
Duct bottom is provided with the water distributing pore that diameter is 8mm every 3cm.
10. compound oil partiting precipitation pool as claimed in claim 7, which is characterized in that the overflow plate b (17) is connected to the clear water
Pond (18), clear water reserviors (18) side wall are provided with water outlet (19), and it is separate that the water outlet (19) is located at the clear water reserviors (18)
The one side wall of the overflow plate b (17).
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CN201820628928.8U CN208648945U (en) | 2018-04-28 | 2018-04-28 | Compound oil partiting precipitation pool |
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CN201820628928.8U CN208648945U (en) | 2018-04-28 | 2018-04-28 | Compound oil partiting precipitation pool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110585796A (en) * | 2019-08-08 | 2019-12-20 | 山东大学苏州研究院 | Pretreatment device for recycling release agent wastewater |
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2018
- 2018-04-28 CN CN201820628928.8U patent/CN208648945U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110585796A (en) * | 2019-08-08 | 2019-12-20 | 山东大学苏州研究院 | Pretreatment device for recycling release agent wastewater |
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