CN206680222U - Oil-polluted water pretreatment system - Google Patents
Oil-polluted water pretreatment system Download PDFInfo
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- CN206680222U CN206680222U CN201720306797.7U CN201720306797U CN206680222U CN 206680222 U CN206680222 U CN 206680222U CN 201720306797 U CN201720306797 U CN 201720306797U CN 206680222 U CN206680222 U CN 206680222U
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Abstract
The utility model provides a kind of oil-polluted water pretreatment system, belongs to oily waste water treatment field, and the system includes：Sewage reservoir, submersible sewage pump, homogeneous regulation tank, sewage pump, settling tank；Sewage reservoir is storing oil-polluted water；Submersible sewage pump connects with sewage reservoir and homogeneous regulation tank respectively, can be delivered to the oil-polluted water in the sewage reservoir in homogeneous regulation tank；Homogeneous regulation tank can remove suspension and COD in the oil-polluted water of part, and stabilizing water quality water, sewage pump adjusts tank with homogeneous respectively and settling tank connects, and homogeneous can be adjusted to the oil-polluted water after tank processing and be delivered in settling tank.To heavy mud and scum silica frost caused by the oil-polluted water by settling tank, partial suspended thing, COD and oil-containing are removed, it is ensured that follow-up sewage disposal process is stable to be carried out.
Description
Technical field
Sewage treatment area is the utility model is related to, more particularly, to a kind of oil-polluted water pretreatment system.
Background technology
Oil extraction waste water is mainly oil field extracted water.Due to the popularization and application of water flooding recovery technology, cause the most of oil in China
Field Produced Liquid water content is up to more than 90%.The pollution such as COD, BOD, petroleum-type, volatile phenol, sulfide in the recovered water of these outer rows
Index exceedes the requirement of discharging standards, flows directly to mining area or river and causes seriously to pollute to surrounding environment.
The measures such as oil removal, filtering, re-injection again after processing is up to standard are mainly used to the processing method of oil extraction waste water both at home and abroad
Stratum.Oil field carries out water filling, and the underground that can be made up caused by after crude oil produces is in debt, keeps or improve formation pressure.Note in oil field
Enter water, except requiring water abundance, outside economical rationality, it is necessary to meet water stabilization, do not carry a large amount of suspensions, to oil reservoir without wound
The water quality characteristicses such as evil.It must reach related water standard, and this both slow down pollution, and had also reduced development cost.
But the quantum of output of oil extraction waste water substantially exceeds water injection rate demand, it is necessary to it is discharged into environment, and conventional processes
There is the problem of still higher in the suspension and COD of outer draining, to treat people's solution.
Utility model content
The purpose of this utility model is to provide a kind of oil-polluted water pretreatment system, the oil-polluted water pretreatment system energy
Enough suspensions and COD effectively removed in oil-polluted water, provide safeguard for follow-up water process.
To achieve the above object, the utility model provides following technical scheme：
A kind of oil-polluted water pretreatment system, including：Sewage reservoir, submersible sewage pump, homogeneous regulation tank, sewage pump,
Settling tank；
The sewage reservoir is storing oil-polluted water；
The submersible sewage pump connects with sewage reservoir and homogeneous regulation tank respectively, can be by containing in the sewage reservoir
Oily water is delivered in homogeneous regulation tank；
The sewage pump adjusts tank with homogeneous respectively and settling tank connects, and homogeneous can be adjusted to containing after tank processing
Oily water is delivered in settling tank.
Further, settling tank includes：Tank body, water inlet pipe, drainpipe, oil exit pipe and discharge pipeline；
The one-level decanting zone for being formed and being sequentially communicated by barrier partitions, two level decanting zone and three-level are provided with the tank body
Decanting zone and catchment, it is respectively arranged with to pass through current in the one-level decanting zone, two level decanting zone and three-level decanting zone
Honeycomb inclined-tube filler, formed with oil trap between the two level decanting zone and three-level decanting zone；
The water inlet pipe is connected with the one-level decanting zone, and the discharge pipeline settles with one-level decanting zone, two level respectively
Area is connected with three-level decanting zone, and the oil exit pipe is connected with oil trap, and the drainpipe is connected with the catchment；
The honeycomb inclined-tube filler is vacantly arranged in one-level decanting zone, two level decanting zone and three-level decanting zone respectively.
Further, the region more than honeycomb inclined-tube filler in one-level decanting zone passes through first baffle and the two level
Decanting zone is isolated, so that after the current of one-level decanting zone can be by the honeycomb inclined-tube filler in the region, then flow into two
Level decanting zone.
Further, the region below honeycomb inclined-tube filler in two level decanting zone passes through the second plate washer and the one-level
Decanting zone is isolated, so that the current of one-level decanting zone can detour to two level decanting zone top, then through honeybee in two level decanting zone
Nest inclined tube filler flows into two level decanting zone lower area.
Further, it is provided with the division board with permeable hole above honeycomb inclined-tube filler in the second decanting zone.
Further, it is provided with the division board with permeable hole above the oil trap.
Further, it is provided with the division board with permeable hole above honeycomb inclined-tube filler in the three-level decanting zone.
Further, in addition to surge tank, the surge tank are connected with the settling tank, to through the settling tank
The oil-polluted water of discharge is handled.
Further, in addition to air floatation machine, the air floatation machine are connected with the surge tank, to through the surge tank
The oil-polluted water of discharge is handled.
Further, the air floatation machine uses air flotation turbo.
Pretreatment system for sewage provided by the utility model, including sewage reservoir, submersible sewage pump, homogeneous regulation tank, sewage
Elevator pump, settling tank；Wherein, sewage reservoir is storing oil-polluted water；Submersible sewage pump is adjusted with sewage reservoir and homogeneous respectively
Tank connection is saved, the oil-polluted water in sewage reservoir can be delivered in homogeneous regulation tank；Homogeneous regulation tank can remove portion
The suspension and COD divided in oil-polluted water, stabilizing water quality water, tank is adjusted with homogeneous respectively for sewage pump and settling tank connects
It is logical, homogeneous can be adjusted to the oil-polluted water after tank processing and be delivered in settling tank, to being produced by the oil-polluted water of settling tank
Heavy mud and scum silica frost, remove partial suspended thing, COD and oil-containing, be easy to follow-up water treatment procedure.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the oil-polluted water pretreatment system that the utility model embodiment provides；
Fig. 2 is the structural representation for the settling tank that the utility model embodiment provides；
Fig. 3 is the schematic diagram that sewage flows in the settling tank that the utility model embodiment provides；
Fig. 4 is the structural representation of division board in the settling tank that the utility model embodiment provides；
Fig. 5 is another structural representation for the settling tank that the utility model embodiment provides.
Reference：
1- sewage reservoirs；3- submersible sewage pumps；5- homogeneous adjusts tank；7- sewage pumps；10- settling tanks；20- surge tanks；
30- air floatation machines；100- tank bodies；110- one-levels decanting zone；111- first baffles；120- two levels decanting zone；121- second baffles；
130- three-levels decanting zone；140- catchments；150- oil traps；160- manholes；170- guardrails；200- water inlet pipes；300- drainpipes；
400- oil exit pipes；500- discharge pipelines；600- honeycomb inclined-tube fillers；700- division boards；701- permeable holes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
Fig. 1 is refer to, shows the structural representation of oil-polluted water pretreatment system provided by the utility model, the system
Including：Sewage reservoir 1, submersible sewage pump 3, homogeneous regulation tank 5, sewage pump 7 and settling tank 10.
Sewage reservoir 1 is storing oil-polluted water；Keg float is provided with sewage reservoir 1, latent dirt is installed on keg float
Pump 3, submersible sewage pump 3 connect with sewage reservoir 1 and homogeneous regulation tank 5 respectively, can be defeated by the oil-polluted water in sewage reservoir 1
Deliver in homogeneous regulation tank 5.
The effect of homogeneous regulation tank is to remove part oils and suspension in oil-polluted water, and sewage is entering homogeneous regulation tank
Before, pipeline sets flow regulator, and sets up pH value regulating measures, sewage PH value is transferred into suitable state, after guarantee
The effect of continuous dosing flocculation.Meanwhile homogeneous regulation tank can stablize the influent load of subsequent technique, it is ensured that at whole oil-polluted water
Science and engineering sequence is stable to be carried out, and in the present embodiment, the homogeneous used adjusts tank as prior art, and its structure repeats no more.
Sewage pump 7 adjusts tank 5 with homogeneous respectively and settling tank 10 connects, and homogeneous can be adjusted to containing after tank processing
Oily water is delivered in settling tank.Add appropriate PAC (aluminium polychloride) and PAM (polyacrylamides in the water outlet of homogeneous regulation tank
Amine), to remove partial suspended thing in settling tank, COD and oil-containing.
Refer to Fig. 2 and Fig. 3；The settling tank 10 that the present embodiment provides, including：Tank body 100, water inlet pipe 200, drainpipe
300th, oil exit pipe 400 and discharge pipeline 500.
The one-level decanting zone 110 for being formed by barrier partitions and being sequentially communicated, two level decanting zone are provided with the tank body 100
120 and three-level decanting zone 130 and catchment 140, the one-level decanting zone 110, two level decanting zone 120 and three-level decanting zone 130
Inside be respectively arranged with to by the honeycomb inclined-tube filler 600 of current, the two level decanting zone 120 and three-level decanting zone 130 it
Between formed with oil trap 150；
The water inlet pipe 200 is connected with the one-level decanting zone 110, is specifically provided in the upper position of tank body 100, with
Upper area in one-level decanting zone 110 positioned at honeycomb inclined-tube filler 600 is connected, so that oil-polluted water can be oblique by honeycomb
Tube packing 600 enters in the lower area of one-level decanting zone 110.
The discharge pipeline 500 is connected with one-level decanting zone 110, two level decanting zone 120 and three-level decanting zone 130 respectively,
Discharge pipeline 500 is arranged on the bottom position of one-level decanting zone 110, two level decanting zone 120 and three-level decanting zone 130, so that deposition
Sludge in above-mentioned each decanting zone bottom can be discharged in time.
The oil exit pipe 400 is connected with oil trap 150, into the oil-polluted water of two level decanting zone 120, due to each
The density variation of composition (oil, water, suspension etc.) and separated, oil it is up, other sewage are descending under self gravitation effect,
The fluid on upper strata can be flowed into oil trap 150, and is flowed out by oil exit pipe 400.
The drainpipe 300 is connected with the catchment 140, is set the sewage of catchment 140 is expelled into other
It is standby to be reprocessed.
Accompanying drawing is refer to, along water inlet direction to the drainage direction of tank body 100 is followed successively by one-level decanting zone 110, two level settles
Area 120, oil trap 150, three-level decanting zone 130 and catchment 140, utilize the energy of honeycomb inclined-tube filler 600 in multiple decanting zones
It is enough that more sufficient separation is carried out to each composition of oil-polluted water, partial suspended thing and oil-containing are removed, is provided for subsequent treatment good
Good condition.
The settling tank provided in the present embodiment, the suspension in the sewage can be increased using honeycomb inclined-tube filler 600
Probability is coalesced, the effect of settling of sludge can be improved, be advantageous to the removal of back segment suspension.Inclined tube is unlikely to deform simultaneously, is being recoiled
Also it is easier during washing, adapts to the endurance for the impact load that the scope of different quality is big, is mutated to water quality, water
By force, adaptability is good, is able to maintain that stable treatment effect.
As optimal technical scheme of the present utility model, honeycomb inclined-tube filler 600 is arranged to hexagon cellular inclined tube filler
600, there is Stability Analysis of Structures, the characteristics of impact resistance is high.
As optimal technical scheme of the present utility model, the honeycomb inclined-tube filler 600 is vacantly arranged on one-level and sunk respectively
Drop in area 110, two level decanting zone 120 and three-level decanting zone 130, the honeycomb inclined-tube filler 600 in each decanting zone can pass through branch
Frame is fixed on the inwall of tank body 100, or honeycomb inclined-tube filler 600 is fixed on the baffle plate of each decanting zone.
As optimal technical scheme of the present utility model, the honeycomb inclined-tube filler more than 600 in one-level decanting zone 110
Region is isolated by first baffle 111 and the two level decanting zone 120, so that the current of one-level decanting zone 110 can pass through
After honeycomb inclined-tube filler 600 in the region, then flow into two level decanting zone 120.During specific setting, in one-level decanting zone 110
In honeycomb inclined-tube filler close to two level decanting zone 120 side set first baffle 111, first baffle 111 can be by one-level
Top area in decanting zone 110 and two level decanting zone 120 positioned at honeycomb inclined-tube filler is isolated, and makes to enter containing in tank body 100
Oily water can make a part of suspension in self gravitation effect first by the honeycomb inclined-tube filler in one-level decanting zone 110
Under be settled down to the bottom of one-level decanting zone 110 and be deposited into sludge, discharged via discharge pipeline 500.
As optimal technical scheme of the present utility model, positioned at honeycomb inclined-tube filler in two level decanting zone 120 below 600
Region is isolated by second baffle 121 and the one-level decanting zone 110, so that the current of one-level decanting zone 110 can detour
The bottom of two level decanting zone 120 is flowed into the top of two level decanting zone 120, then through honeycomb inclined-tube filler 600 in two level decanting zone 120
Region.
During specific setting, the honeycomb inclined-tube filler in two level decanting zone 120 is set close to the side of one-level decanting zone 110
Second baffle 121, second baffle 121 can will be located at honeycomb inclined-tube filler in one-level decanting zone 110 and two level decanting zone 120
Lower region is isolated, and the oil-polluted water of the lower area of one-level decanting zone 110 is detoured to the top of two level decanting zone 120, is led to
The honeycomb inclined-tube filler crossed in two level decanting zone 120, makes partial suspended thing be settled down to two level decanting zone under self gravitation effect
120 bottom is simultaneously deposited into sludge, is discharged via discharge pipeline 500.Simultaneously as the side of oil trap 150 and bottom are closed,
Upper strata fluid in the region can be flowed into oil trap 150, and is expelled to by oil exit pipe 400 outside tank body 100.
It refer to Fig. 2-Fig. 4；As optimal technical scheme of the present utility model, honeycomb inclined-tube is filled out in two level decanting zone 120
The top of material 600 is provided with the division board 700 with permeable hole 701.Permeable hole 701 is evenly arranged on division board 700, division board
700 setting, suspension in the oil-polluted water in the region can be stopped, improve separating effect.
As optimal technical scheme of the present utility model, the top of the oil trap 150 be provided with permeable hole 701 every
From plate 700.Similarly, permeable hole 701 is evenly arranged on division board 700, the setting of division board 700, can be to that will enter
Suspension is stopped in the oil-polluted water of oil trap 150, improves separating effect.
As optimal technical scheme of the present utility model, the top of honeycomb inclined-tube filler 600 is set in the three-level decanting zone 130
It is equipped with the division board 700 with permeable hole 701.Similarly, permeable hole 701 is evenly arranged on division board 700, division board 700
Setting, suspension in the oil-polluted water in the region can be stopped, improve separating effect.
As optimal technical scheme of the present utility model, the top of catchment 140 is again provided with carrying permeable hole 701
Division board 700, its effect repeats no more.
As optimal technical scheme of the present utility model, the top of tank body 100 is respectively arranged with manhole 160, is easy to personnel
Repaired or cleared up in into tank body 100.
It refer to Fig. 5；As optimal technical scheme of the present utility model, the top of the tank body 100 is fixed with guardrail
170, for protecting staff, cat ladder can also be set, be easy to climb.
Illustrate the settling tank operation principle that the utility model embodiment provides below：
Fig. 3 is refer to, wherein arrow is oriented to flow direction of the oil-polluted water in tank body.Oil-polluted water enters through water inlet pipe 200
Enter to the one-level decanting zone 110 in tank body 100, the current in one-level decanting zone 110 pass through the honeycomb inclined-tube in the region
After filler 600, a part of suspension is settled down to the bottom of one-level decanting zone 110 under self gravitation effect and be deposited into dirt
Mud, discharged via discharge pipeline 500, the sewage by initial gross separation detours to the top of two level decanting zone 120, passes through two level decanting zone
Honeycomb inclined-tube filler 600 in 120, increases the coalescence probability of suspension, in the region, due to oil in oil-polluted water, water, outstanding
The density variation of the compositions such as float and separated, oil it is up, other sewage are descending under self gravitation effect, make partial suspended
Thing is settled down to the bottom of two level decanting zone 120 under self gravitation effect and is deposited into sludge, is discharged via discharge pipeline 500.Together
When, because the side of oil trap 150 and bottom are closed, the upper strata fluid in the region can be flowed into oil trap 150, and
It is expelled to by oil exit pipe 400 outside tank body 100, secondary separation is carried out to oil-polluted water.
Sewage in two level decanting zone 120 up and through during the honeycomb inclined-tube filler in three-level decanting zone 130,
Suspension in sewage is settled three times, and honeycomb inclined-tube filler increases the coalescence probability of suspension, after settling three times
Suspension the bottom of three-level decanting zone 130 is settled down under self gravitation effect and be deposited into sludge discharge；Up sewage
Enter in catchment 140, be expelled to by drainpipe 300 in other processing equipments.
Referring once again to Fig. 1, in oil-polluted water pretreatment system provided by the utility model, in addition to surge tank 20, institute
State surge tank 20 with the settling tank 10 to be connected, to handle the oil-polluted water discharged through the settling tank 10.
In addition, in oil-polluted water pretreatment system provided by the utility model, in addition to air floatation machine 30, the air floatation machine 30
It is connected with the surge tank 20, to handle the oil-polluted water discharged through the surge tank 20, can specifically passes through
Oil-polluted water in surge tank is delivered in air floatation machine by air supporting elevator pump, and the air floatation machine preferably uses air flotation turbo.
Settling tank water outlet is overflowed in surge tank, and buffered tank removes a small amount of suspension, and water outlet adds appropriate PAC (polymerizations
Aluminium chloride) entered with PAM (polyacrylamide) by air supporting elevator pump in air floatation machine, most suspended substances are removed in air floatation machine
With oil-containing, it is ensured that whole oily waste water treatment process is stable to be carried out.
In the technical scheme of the present embodiment, surge tank is the intermediate equipment for connecting settling tank and air floatation machine, mainly realizes two
Individual effect, first, water storage function is provided for air supporting elevator pump, second, unprecipitated suspension can be in surge tank in settling tank
Further precipitation, but because surge tank is the sleeping tank of flat rectangle, generally only 1 meter of its height is long 8.95 meters, wide 2.2 meters, if heavy
It is higher that drop tank goes out aqueous suspension, and mud layer is higher in surge tank, under hydraulic blow effect, it is easy to stir mud layer, cause
Go out aqueous suspension to increase.Surge tank is preferably increased 1 meter or so in the present embodiment, water-locator, increase are set in surge tank entrance
Tank volume is buffered, improves the device residence time, reduces water impact.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole skills
Art feature carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model
The scope of each embodiment technical scheme.
Claims (10)
- A kind of 1. oil-polluted water pretreatment system, it is characterised in that including：Sewage reservoir, submersible sewage pump, homogeneous regulation tank, dirt Water elevator pump, settling tank；The sewage reservoir is storing oil-polluted water；The submersible sewage pump connects with sewage reservoir and homogeneous regulation tank respectively, can will contain greasy dirt in the sewage reservoir Water is delivered in homogeneous regulation tank；The sewage pump adjusts tank with homogeneous respectively and settling tank connects, and can adjust homogeneous and contain greasy dirt after tank processing Water is delivered in settling tank.
- 2. oil-polluted water pretreatment system according to claim 1, it is characterised in that settling tank includes：Tank body, water inlet Pipe, drainpipe, oil exit pipe and discharge pipeline；The one-level decanting zone for being formed and being sequentially communicated by barrier partitions, two level decanting zone and three-level sedimentation are provided with the tank body Area and catchment, it is respectively arranged with to by the honeybee of current in the one-level decanting zone, two level decanting zone and three-level decanting zone Nest inclined tube filler, formed with oil trap between the two level decanting zone and three-level decanting zone；The water inlet pipe is connected with the one-level decanting zone, the discharge pipeline respectively with one-level decanting zone, two level decanting zone and Three-level decanting zone is connected, and the oil exit pipe is connected with oil trap, and the drainpipe is connected with the catchment；The honeycomb inclined-tube filler is vacantly arranged in one-level decanting zone, two level decanting zone and three-level decanting zone respectively.
- 3. oil-polluted water pretreatment system according to claim 2, it is characterised in that honeycomb is oblique in one-level decanting zone Region more than tube packing is isolated by first baffle and the two level decanting zone, so that the current of one-level decanting zone can lead to After crossing the honeycomb inclined-tube filler in the region, then flow into two level decanting zone.
- 4. oil-polluted water pretreatment system according to claim 3, it is characterised in that honeycomb is oblique in two level decanting zone Region below tube packing is isolated by the second plate washer and the one-level decanting zone, so that the current of one-level decanting zone can be around Row flows into two level decanting zone lower area to two level decanting zone top, then through honeycomb inclined-tube filler in two level decanting zone.
- 5. according to the oil-polluted water pretreatment system described in claim any one of 2-4, it is characterised in that honeybee in the second decanting zone The division board with permeable hole is provided with above nest inclined tube filler.
- 6. according to the oil-polluted water pretreatment system described in claim any one of 2-4, it is characterised in that above the oil trap It is provided with the division board with permeable hole.
- 7. according to the oil-polluted water pretreatment system described in claim any one of 2-4, it is characterised in that the three-level decanting zone The division board with permeable hole is provided with above middle honeycomb inclined-tube filler.
- 8. oil-polluted water pretreatment system according to claim 1, it is characterised in that also including surge tank, the buffering Tank is connected with the settling tank, to handle the oil-polluted water discharged through the settling tank.
- 9. oil-polluted water pretreatment system according to claim 8, it is characterised in that also including air floatation machine, the air supporting Machine is connected with the surge tank, to handle the oil-polluted water discharged through the surge tank.
- 10. oil-polluted water pretreatment system according to claim 9, it is characterised in that the air floatation machine uses cavitation gas Floating machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720306797.7U CN206680222U (en) | 2017-03-27 | 2017-03-27 | Oil-polluted water pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720306797.7U CN206680222U (en) | 2017-03-27 | 2017-03-27 | Oil-polluted water pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206680222U true CN206680222U (en) | 2017-11-28 |
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ID=60390138
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720306797.7U Active CN206680222U (en) | 2017-03-27 | 2017-03-27 | Oil-polluted water pretreatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206680222U (en) |
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2017
- 2017-03-27 CN CN201720306797.7U patent/CN206680222U/en active Active
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