CN208814763U - A kind of high concentration oily wastewater pretreatment unit - Google Patents
A kind of high concentration oily wastewater pretreatment unit Download PDFInfo
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- CN208814763U CN208814763U CN201820913895.1U CN201820913895U CN208814763U CN 208814763 U CN208814763 U CN 208814763U CN 201820913895 U CN201820913895 U CN 201820913895U CN 208814763 U CN208814763 U CN 208814763U
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Abstract
The utility model relates to oil field water treatment fields, and in particular to a kind of high concentration oily wastewater pretreatment unit；Solve in existing oilfield sump oil sludge-tank that high concentration oily wastewater is directly entered oil field produced water treatment system, cause produced water treatment running effect worse and worse the problem of；The technical solution of the utility model is: a kind of high concentration oily wastewater pretreatment unit, including inclined-plate clarifying basin, contaminated-oil basin, clear water reserviors and sludge condensation unit；Inclined-plate clarifying basin includes level-one inclined-plate clarifying basin and second level inclined-plate clarifying basin；Level-one inclined-plate clarifying basin, second level inclined-plate clarifying basin are connected to contaminated-oil basin by oil collecting pipe, and the sump oil in oil collecting pipe imports in contaminated-oil basin；Second level inclined-plate clarifying basin is connected to clear water reserviors；First stage precipitation tank, second-level settling pond and clear water reserviors are connected to by sludge pipe, and the sludge in sludge pipe imports sludge condensation unit.
Description
Technical field
The utility model relates to oil field water treatment fields, and in particular to a kind of high concentration oily wastewater pretreatment unit.
Background technique
In oil field produced water process, sump oil sludge-tank accepts the sewage of produced water treatment system discharge, sedimentation oil removing pot
The tank bottom height that high water containing dirt, Filter Back Washing draining, the treating stations station area's crude oil dehydration storage tank of tank bottom discharge are discharged contains mud
Sewage etc..For these high concentration oily wastewaters after the processing of sump oil sludge-tank simple precipitation, suspended matter, petroleum content are also suitable
It is even higher to reach 3000mg/L for height.And in process flow, and often this part water is periodically passed through into pump again and return extraction
Water treatment system is handled, and result causes:
1, produced water treatment system influent quality amplitude of variation is big, and effluent quality is periodically not easy up to standard；
2, since sump oil sludge tankage is small, cause sludge in actual motion largely to gather in bottom of pond, lead to other blowdowns
System is not normally functioning, basin's effective volume product is reduced；
3, the long-term circulation of high pollution water causes produced water treatment system seriously to pollute, treatment effeciency declines, sometimes even
There is the case where water outlet is worse than water；
4, since produced water treatment system is not normally functioning, the clear pond period is short, the filter leaching material replacement cycle is short, system
The maintenance and repair period is short, seriously affects production safety and economy.
Current oil field produced water system phase is exactly to lack " kidney " in human body, and the pollutant that system is handled out cannot be by clear in time
Except in external, and vicious circle in vivo, all heavily contaminated murder by poisoning of each organ, human body health, which will receive, to be seriously affected.
Summary of the invention
Oil field extracted water is directly entered in order to effectively solve high concentration oily wastewater in existing oilfield sump oil sludge-tank
Processing system, cause produced water treatment running effect worse and worse the problem of, the utility model provides a kind of high concentration
Oily wastewater pretreatment unit.
The technical solution of the utility model is:
A kind of high concentration oily wastewater pretreatment unit, it is characterised in that: including inclined-plate clarifying basin, contaminated-oil basin, clear water reserviors
With sludge condensation unit.
The inclined-plate clarifying basin includes the level-one inclined-plate clarifying basin and second level inclined-plate clarifying basin being disposed adjacent.The level-one is oblique
Plate sedimentation basin is successively arranged supernatant collection pipe and level-one inclined tube deflector from the top down, and the level-one inclined tube deflector side is set
Level-one water distributor is set, level-one water distributor is connected to water inlet pipe.
The second level inclined-plate clarifying basin is successively arranged second level inclined tube deflector and second level water distributor from the top down.Supernatant is received
Collector is connected to second level water distributor.
Level-one inclined-plate clarifying basin top is connected to the oil collecting zone on second level inclined-plate clarifying basin top by oil collecting pipe, oil collecting pipe
Interior sump oil imports in contaminated-oil basin；The bottom of the level-one inclined-plate clarifying basin, second level inclined-plate clarifying basin and clear water reserviors is by sludge pipe
It is connected to, the sludge in sludge pipe imports sludge-tank；Second level inclined-plate clarifying basin top is connected to clear water reserviors.
The sludge condensation unit includes sequentially connected first sludge suction pump, sludge-tank, the second sludge suction pump, spiral shell
It is rotated with liquid separator and is connected to the chemicals feeder of the first sludge suction pump intake, the first sludge suction pump intake also connects simultaneously
Logical sludge pipe, the first sludge suction pump outlet are connected to sludge-tank.
Further, it in order to preferably remove the oil droplet and impurity particle of macromolecular partial size, and avoids producing because of pipeline length
Oil generation mud retention problems, self-cleaning filter is arranged on the level-one inclined-plate clarifying basin side wall, and the self-cleaning filter uses
Vertical installation, processing accuracy are 80 μm, and water inlet pipe is connected to by self-cleaning filter with level-one water distributor, self-cleaning filter
Sludge mouth be connected to sludge-tank.
It further, can be using the clear water in clear water reserviors as water source in order to improve the highly effective and safe maneuverability of the present apparatus
The present apparatus is cleaned, it may be assumed that connection clear water can be exported in clear water reserviors and send pump outside, the clear water sends pump discharge outside and the is arranged parallel
One outlet pipe and the second outlet pipe, first outlet pipe connect the self-cleaning filter entrance, and second water outlet is effective
In being connected to produced water treatment system entry, the first valve group and the second valve is respectively set on first outlet pipe and the second outlet pipe
Group, for self-cleaning or the switching of subsequent water treatment room.
Further, in order to which water distribution is more uniform, and the purpose of sinking sedimentation separation may be implemented, the level-one cloth
Water pipe uses reducer pipe, and apopore is downward.
The aggregation sump oil above supernatant can be avoided when further, in order to collect supernatant, and sump oil is avoided to enter two
Grade inclined-plate clarifying basin, side opening under the supernatant collection tube wall.
Further, in order to realize the combination of sinking and upper up-flow, the level-one inclined plate inclined tube deflector and two simultaneously
Grade inclined tube deflector is oppositely arranged.
Further, in order to improve oil-water separation, the level-one inclined-plate clarifying basin and second level inclined-plate clarifying basin top
It is equipped with triangle weir plate liquid-level-adjustable height structure.
Further, liquid pass hole is set in the common side-wall of the second level inclined-plate clarifying basin and clear water reserviors.
Further, the contaminated-oil basin connection sump oil sends pump outside.
Further, a kind of high concentration oily wastewater pretreatment unit further includes container；Inclined-plate clarifying basin, contaminated-oil basin,
Clear water reserviors and sludge condensation unit are arranged in container, and wherein inclined-plate clarifying basin is arranged in container base front, sump oil
Pond, clear water reserviors and sludge-tank are adjacent with inclined-plate clarifying basin, and set gradually along container base width direction.
The beneficial effect of the utility model compared with prior art is:
1, the present apparatus is process object with oil field produced water treatment system sump oil sludge-tank high concentration oily wastewater, achievable
Oil, water, mud separation and sludge condensation, treated, and water quality significantly improves, and not only increases sump oil contaminated-oil basin dischargeable capacity, also protects
The stability for having demonstrate,proved oil field produced water treatment system and other systems shortens system maintenance, maintenance cycle, ensure that production peace
Entirely, economy is improved." kidney " that the present apparatus can install efficient process for oil field extracted water system will make after
Oil field produced water treatment system efficient operation, walks out that " produced water treatment system operational effect early period is good, and later period operational effect is more next
It is poorer " magic circle.
2, self-cleaning filter processing accuracy is high, and strainer flux surplus is big, cleans immediately, and operational effect is steady, reliable；80
μm processing accuracy most of solid and aging oil content can be made to be removed；Self-cleaning filter uses vertical installation, is fixed on one
On the sidewall paneling of grade inclined-plate clarifying basin, the problem of causing greasy filth to be detained because of pipeline length is more effectively avoided.
3, the first outlet pipe of fresh water pump connects self-cleaning filter entrance, after the completion of each process cycle, in clear water reserviors
Water enter self-cleaning filter, replace external water source with itself output water, equipment cleaned, that is, it is efficient to improve device
Safe operation property, and saved resource.
4, level-one water distributor uses reducer pipe, and apopore is downward, so that water distribution is more uniform.
5, side opening under supernatant collection tube wall can avoid the aggregation sump oil above supernatant when collecting supernatant,
Effectively sump oil is avoided to enter second level inclined-plate clarifying basin.
6, level-one inclined plate inclined tube deflector and second level inclined tube deflector are oppositely arranged, while realizing sinking and upper up-flow
Combination.
7, level-one inclined-plate clarifying basin and second level inclined-plate clarifying basin top are respectively equipped with triangle weir plate liquid-level-adjustable height structure,
In equipment running process height is adjusted according to pasta and supernatant height in real time, improves oil-water separation.
8, the present apparatus is designed using over all Integration, is integrated with the functions such as water-oil separating, greasy filth separation, sludge condensation.
9, the present apparatus is good using the oily effect of subdivision in two-stage inclined plate sedimentation pond removal water after filter, suspended substance sedimentation effect is good,
Single-stage inclined-plate clarifying basin stagnant water retention problems are avoided, guarantee outlet effect stably reaching standard.
10, grease, greasy filth separate the principle for using physics sedimentation separation, and the oil separated can be utilized directly, be overcome
Non-physical separation method can not utilize the problem of separation oil.
11, spiral solid-liquid separating machine is adaptable to oily sludge dehydration, do not block, with small vibration, noise is small, mud cake is aqueous
Rate is low (≤80%).
Detailed description of the invention
Fig. 1 is the main view of the utility model one embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural schematic diagram of 1 middle swash plate sedimentation basin of embodiment；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the right view of Fig. 3；
Fig. 6 is the main view of another embodiment of the utility model；
Fig. 7 is the process flow chart of the utility model；
Appended drawing reference in figure are as follows: 1- inclined-plate clarifying basin, 11- level-one inclined-plate clarifying basin, 111- water inlet pipe, 112- level-one water distribution
Pipe, 113- level-one inclined tube deflector, 114- supernatant collection pipe, 12- triangle weir plate liquid-level-adjustable height structure, 13- second level are oblique
Plate sedimentation basin, 131- second level water distributor, 132- second level inclined tube deflector, 14- common side-wall, 15- liquid pass hole, 2- contaminated-oil basin, 3-
Clear water reserviors, 4- sludge condensation unit, 41- the first sludge suction pump, 42- sludge-tank, 43- the second sludge suction pump, 44- spiral are solid
Liquid separator, 45- chemicals feeder, 5- oil collecting pipe, 6- sludge pipe, 7- clear water send pump, the first outlet pipe of 71- outside, and 72- second is discharged
Pipe, the first valve group of 73-, the second valve group of 74-, 8- sump oil send pump, 9- container, 10- self-cleaning filter outside；101- sump oil sludge
Pond, 102 elevator pumps.
Specific embodiment
The utility model is further described below in conjunction with drawings and the specific embodiments.
Embodiment 1:
Referring to Figures 1 and 2 and Fig. 3, a kind of high concentration oily wastewater pretreatment unit, including inclined-plate clarifying basin 1, contaminated-oil basin
2 and clear water reserviors 3, it further include sludge condensation unit 4；Inclined-plate clarifying basin 1 includes the level-one inclined-plate clarifying basin 11 and two being disposed adjacent
Grade inclined-plate clarifying basin 13.
11 top of level-one inclined-plate clarifying basin is connected to the oil collecting zone on 13 top of second level inclined-plate clarifying basin by oil collecting pipe 5, oil-collecting
Sump oil in pipe 5 imports in contaminated-oil basin 2；The bottom of the level-one inclined-plate clarifying basin 11, second level inclined-plate clarifying basin 13 and clear water reserviors 3
It is connected to by sludge pipe 6, the sludge in sludge pipe 6 imports sludge-tank 42；13 top of second level inclined-plate clarifying basin and clear water reserviors 3 connect
It is logical.
Level-one inclined-plate clarifying basin 11 is successively arranged supernatant collection pipe 114 and level-one inclined tube deflector 113 from the top down, and one
Grade water distributor 112 is located at 113 upper side of level-one inclined tube deflector and connection water inlet pipe 111 (referring to Fig. 3)；Level-one water distributor 112
It using reducer pipe, is gradually become smaller from arrival end to end caliber, and water distributing pore is downward, keeps water distribution more uniform；Supernatant collection
Side opening under 114 tube wall of pipe can avoid the aggregation sump oil above supernatant, avoid sump oil from entering second level oblique when collecting supernatant
Plate sedimentation basin 13.
Second level inclined-plate clarifying basin 13 is successively arranged second level inclined tube deflector 132 and second level water distributor 131 from the top down.
Level-one inclined tube deflector 113 and second level inclined tube deflector 132 are oppositely arranged, and realize the group of sinking and upper up-flow
It closes, effect of settling is more preferable.
Sludge condensation unit 4 includes sequentially connected first sludge suction pump 41, sludge-tank 42, the second sludge suction pump
43, spiral solid-liquid separating machine 44 and it is connected to the chemicals feeder 45 of 41 entrance of the first sludge suction pump, the first sludge suction pump
41 entrances are also connected to sludge pipe 6,41 outlet sludge-tank 42 of the first sludge suction pump simultaneously.
Contaminated-oil basin 2 connects sump oil and sends pump 8 outside.
Connection clear water in the outlet of clear water reserviors 3 sends pump 7 outside, and clear water sends 7 the first outlet pipe 71 and second of the parallel setting in outlet of pump outside
Outlet pipe 72, the first outlet pipe 71 connect 10 entrance of self-cleaning filter；Second outlet pipe 72 is for being connected to produced water treatment system
It unites entrance, the first valve group 73 and the second valve group 74 is respectively set on the first outlet pipe 71 and the second outlet pipe 72.
Referring to Fig. 4, level-one inclined-plate clarifying basin 11 and 13 top of second level inclined-plate clarifying basin are respectively equipped with the adjustable liquid of triangle weir plate
Position height structure 12 can adjust in real time height in equipment running process according to pasta and supernatant height, improve water-oil separating effect
Fruit.
Referring to Fig. 5, liquid pass hole 15 is set in the common side-wall 14 of second level inclined-plate clarifying basin 13 and clear water reserviors 3.
Referring to Fig. 7, self-cleaning filter 10 is set, and self-cleaning filter 10 is using vertical on 11 side wall of level-one inclined-plate clarifying basin
Formula installation, processing accuracy are 80 μm, and water inlet pipe 111 is connected to by self-cleaning filter 10 with level-one water distributor 112, self-cleaning
The sludge mouth of filter 10 is connected to sludge-tank 42.
Embodiment 2:
Referring to Fig. 6, the present embodiment is identical as 1 structure of embodiment, distinguishes the package unit being only that in embodiment 1 and all collects
At in container 9, wherein inclined-plate clarifying basin 1 is arranged in 9 pedestal front of container, contaminated-oil basin 2, clear water reserviors 3 and sludge-tank 42
It is adjacent with inclined-plate clarifying basin 1, and set gradually along base width direction.
Referring to Fig. 7, the concrete technology flow process of the utility model embodiment is as follows:
1, elevator pump 102 is installed in sump oil sludge-tank 101 and promotes 101 middle and high concentration oily wastewater of sump oil sludge-tank, mention
It rises pump 102 and pump, low liquid level termination of pumping is opened by fluid level controller control high liquid level；The sewage that elevator pump 102 exports is through self-cleaning filtering
After device 10 filters, effluent quality reaches: oil-containing≤500mg/L, suspended matter≤200mg/L；
2, the filtered water of self-cleaning filter 10 enters level-one inclined-plate clarifying basin 11, since level-one water distributor 112 is placed in
113 side of level-one inclined tube deflector, and apopore is downward, therefore the purpose of sinking sedimentation separation may be implemented, effluent quality reaches
It arrives: oil-containing≤200mg/L, suspended matter≤150mg/L；
3, the water outlet of level-one inclined-plate clarifying basin 11 enters the progress upper up-flow sedimentation separation of second level inclined-plate clarifying basin 13, effluent quality
Reach: oil-containing≤100mg/L, suspended matter≤100mg/L；
4, the sump oil that two-stage inclined-plate clarifying basin is isolated is discharged into contaminated-oil basin 2 through top oil collecting pipe 5, and sump oil is through sedimentation separation
Afterwards, pump 8 is sent outside by sump oil and promotes area's sump oil system of arriving at a station；Sump oil is sent pump outside and 8 is controlled by fluid level controller, and high liquid level opens pump, low
Liquid level termination of pumping；
5, the oily sludge that self-cleaning filter 10 retains is discharged into sludge-tank 42 through pipeline pressure, with other oily sludges one
It rises and modulation medicament is added by chemicals feeder 45 in sludge-tank 42, pressurizeed after agitated modulation by the second sludge suction pump 43 and be sent into spiral shell
It is rotated with liquid separator 44, is dehydrated, dewatered sludge is aqueous≤and 80%；
6, the water outlet of second level inclined-plate clarifying basin 13 enters clear water reserviors 3, after the water in clear water reserviors 3 further precipitates, through clear water outside
The the second outlet pipe 72 access produced water treatment device water inlet end for sending pump 7, carries out advanced treating, and clear water sends pump 7 outside by non-contact
The control of formula thick liquid level transmitting controller, high liquid level open pump, low liquid level termination of pumping；
7, each cycle of operation finishes, and after the elevator pump 102 in sump oil sludge-tank 101 is stopped transport, the second valve group 74 is closed automatically
It closes, while the first valve group 73 automatically opens, the first outlet pipe 71 that the water in clear water reserviors 3 sends pump 7 outside through clear water all flows back into
In self-cleaning filter 10, self-cleaning is carried out to system, guarantees the efficient operation in next period.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas similarly include the scope of patent protection in the utility model.
Claims (10)
1. a kind of high concentration oily wastewater pretreatment unit, it is characterised in that: including inclined-plate clarifying basin (1), contaminated-oil basin (2), clear
Pond (3) and sludge condensation unit (4)；
The inclined-plate clarifying basin (1) includes the level-one inclined-plate clarifying basin (11) and second level inclined-plate clarifying basin (13) being disposed adjacent；
The level-one inclined-plate clarifying basin (11) is successively arranged supernatant collection pipe (114) and level-one inclined tube deflector from the top down
(113), the level-one inclined tube deflector (113) side setting level-one water distributor (112), level-one water distributor (112) connection water inlet
It manages (111)；
The second level inclined-plate clarifying basin (13) is successively arranged second level inclined tube deflector (132) and second level water distributor from the top down
(131)；
Supernatant collection pipe (114) is connected to second level water distributor (131)；
The oil collecting zone on level-one inclined-plate clarifying basin (11) top and second level inclined-plate clarifying basin (13) top is connected by oil collecting pipe (5)
Logical, the sump oil in oil collecting pipe (5) imports in contaminated-oil basin (2)；The level-one inclined-plate clarifying basin (11), second level inclined-plate clarifying basin (13)
It is connected to the bottom of clear water reserviors (3) by sludge pipe (6), the sludge in sludge pipe (6) imports sludge-tank (42)；The second level inclined plate
Sedimentation basin (13) top is connected to clear water reserviors (3)；
The sludge condensation unit (4) includes sequentially connected first sludge suction pump (41), sludge-tank (42), the second sludge pumping
Sucking pump (43), spiral solid-liquid separating machine (44) and the chemicals feeder (45) for being connected to the first sludge suction pump (41) entrance, the
One sludge suction pump (41) entrance is also connected to sludge pipe (6) simultaneously, first sludge suction pump (41) outlet sludge-tank (42).
2. a kind of high concentration oily wastewater pretreatment unit according to claim 1, it is characterised in that: the level-one inclined plate
Self-cleaning filter (10) are set on sedimentation basin (11) side wall, the self-cleaning filter (10) uses vertical installation, processing
Precision is 80 μm, and water inlet pipe (111) is connected to by self-cleaning filter (10) with level-one water distributor (112), self-cleaning filter
(10) sludge mouth is connected to sludge-tank (42).
3. a kind of high concentration oily wastewater pretreatment unit according to claim 2, it is characterised in that: the clear water reserviors
(3) connection clear water in outlet sends pump (7) entrance outside, and clear water is sent the parallel setting the first outlet pipe (71) and second in pump (7) outlet outside and gone out
Water pipe (72)；First outlet pipe (71) connects self-cleaning filter (10) entrance；Second outlet pipe (72) is used
In being connected to produced water treatment system entry, the first valve group is respectively set on first outlet pipe (71) and the second outlet pipe (72)
(73) and the second valve group (74).
4. a kind of high concentration oily wastewater pretreatment unit according to claim 3, it is characterised in that: the level-one water distribution
It manages (112) and uses reducer pipe, and water distributing pore is downward.
5. a kind of high concentration oily wastewater pretreatment unit according to claim 4, it is characterised in that: the supernatant is received
Side opening under collector (114) tube wall.
6. a kind of high concentration oily wastewater pretreatment unit according to claim 5, it is characterised in that: the level-one inclined tube
Deflector (113) and second level inclined tube deflector (132) are oppositely arranged.
7. -6 any a kind of high concentration oily wastewater pretreatment unit according to claim 1, it is characterised in that: described one
Grade inclined-plate clarifying basin (11) and second level inclined-plate clarifying basin (13) top is respectively equipped with triangle weir plate liquid-level-adjustable height structure (12).
8. a kind of high concentration oily wastewater pretreatment unit according to claim 7, it is characterised in that: the second level inclined plate
Liquid pass hole (15) are set in the common side-wall (14) of sedimentation basin (13) and clear water reserviors (3).
9. a kind of high concentration oily wastewater pretreatment unit according to claim 8, it is characterised in that: the contaminated-oil basin
(2) connection sump oil sends pump (8) outside.
10. a kind of high concentration oily wastewater pretreatment unit according to claim 1, it is characterised in that: further include packaging
Case (9)；Inclined-plate clarifying basin (1), contaminated-oil basin (2), clear water reserviors (3) and sludge condensation unit (4) are arranged in container (9),
Wherein inclined-plate clarifying basin (1) setting is in container (9) pedestal front, contaminated-oil basin (2), clear water reserviors (3) and sludge-tank (42) with it is oblique
Plate sedimentation basin (1) is adjacent, and sets gradually along container (9) base width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820913895.1U CN208814763U (en) | 2018-06-13 | 2018-06-13 | A kind of high concentration oily wastewater pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820913895.1U CN208814763U (en) | 2018-06-13 | 2018-06-13 | A kind of high concentration oily wastewater pretreatment unit |
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| Publication Number | Publication Date |
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| CN208814763U true CN208814763U (en) | 2019-05-03 |
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ID=66269601
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820913895.1U Active CN208814763U (en) | 2018-06-13 | 2018-06-13 | A kind of high concentration oily wastewater pretreatment unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394340A (en) * | 2019-07-29 | 2019-11-01 | 河北冠能石油机械制造有限公司 | Tank washing equipment and system |
| CN110422816A (en) * | 2019-07-24 | 2019-11-08 | 山东裕泰石油装备有限公司 | A kind of water-oil separating skid-mounted gas station |
-
2018
- 2018-06-13 CN CN201820913895.1U patent/CN208814763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422816A (en) * | 2019-07-24 | 2019-11-08 | 山东裕泰石油装备有限公司 | A kind of water-oil separating skid-mounted gas station |
| CN110394340A (en) * | 2019-07-29 | 2019-11-01 | 河北冠能石油机械制造有限公司 | Tank washing equipment and system |
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