CN109019926A - A kind of sledge dress oilfield sewage treatment device and method - Google Patents
A kind of sledge dress oilfield sewage treatment device and method Download PDFInfo
- Publication number
- CN109019926A CN109019926A CN201810980880.1A CN201810980880A CN109019926A CN 109019926 A CN109019926 A CN 109019926A CN 201810980880 A CN201810980880 A CN 201810980880A CN 109019926 A CN109019926 A CN 109019926A
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- China
- Prior art keywords
- sewage
- micro
- filtration
- hydrocyclone
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
Abstract
The invention discloses a kind of sledge dress oilfield sewage treatment device and methods, including pretreatment system for sewage and sewage disposal system, pretreatment system for sewage includes foul water tank, foul water tank includes water-oil separating area, inhalant region and sewage neutral zone, the sewage of inhalant region enters water-oil separating area by sewage diversion trench, enters sewage neutral zone by fluid level controller by the sewage after float apparatus for collecting oil oil removing in water-oil separating area；Sewage disposal system includes hydrocyclone, micro-filtration filter device and ultra-filtration filters device, and the outlet of hydrocyclone is connect with the entrance of micro-filtration filter device, and the outlet of micro-filtration filter device is connect with the entrance of ultra-filtration filters device；Processing method includes sewage disinfection treatment and sewage treatment.The beneficial effects of the present invention are: being handled using classification, effect is good, and the assembling structure integration of total sledge meets the requirement used without live Sewage Disposal, and the cost of sewage disposal of whole device is lower, is not necessarily to civil engineering, high-efficient.
Description
Technical field
The present invention relates to field of oilfield sewage treatment, especially a kind of sledge dress oilfield sewage treatment device and method.
Background technique
Petroleum is one of main object of geological prospecting, is a kind of sticky, dark brown liquid, referred to as " industrial blood
There are petroleum storage in liquid ", upper crustal some areas, and main component is the mixture of various alkane, cycloalkane, aromatic hydrocarbon.Petroleum
Status it is particularly significant, therefore the extraction industry of petroleum is extremely crucial.
After the investment exploitation of oil field, oil reservoir energy itself will be constantly consumed, and cause formation pressure constantly to decline, underground
Crude oil largely deaerates, and viscosity increases, and oil well output greatly reduces.In order to keep or improve formation pressure, higher harvesting is obtained
Rate, it is necessary to oil field be filled the water, using oil field produced water as injection water, can not only solve the source of injection water, but also can avoid
Wastewater discharge bring environmental problem, while the compatibility on recovered water and stratum is good, but be mesh to the separation of oilfield sewage
Preceding a great problem；Followed by early field life, remote, scattered oil field is especially developed, is generated during drilling well, formation testing gas
A large amount of oilfield sewage, due to not having joint Sewage Disposal, the sewage of generation is unable to get effective processing, direct re-injection
To underground, stratum is seriously polluted.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of sledge dress oilfield sewage treatment device and side
Method.
The purpose of the present invention is achieved through the following technical solutions: a kind of sledge dress oilfield sewage treatment device and method, packet
Pretreatment system for sewage and sewage disposal system are included, the pretreatment system for sewage is connect with sewage disposal system；The sewage
Pretreatment system includes foul water tank, and the foul water tank includes water-oil separating area, inhalant region and sewage neutral zone, the inhalant region
Sewage enters water-oil separating area by sewage diversion trench, is led in the water-oil separating area by the sewage after float apparatus for collecting oil oil removing
It crosses fluid level controller and enters sewage neutral zone；
The sewage disposal system includes hydrocyclone, micro-filtration filter device and ultra-filtration filters device, the hydrocyclone
Outlet connect with the entrance of micro-filtration filter device, the entrance of the outlet of the micro-filtration filter device and ultra-filtration filters device connects
It connects.
It preferably, further include dredge pump, the dredge pump is arranged in inhalant region and sewage neutral zone bottom, inhalant region
With sewage neutral zone bottom angled, dredge pump is arranged in lower.
Preferably, the sewage of the sewage neutral zone is discharged into mouth with processing sewage by pretreating sewage outlet and connect,
Processing sewage is discharged into mouth and the entrance of circulating pump connects, and the outlet of circulating pump is connected by the entrance of control valve and hydrocyclone
It connects.
Preferably, the purified liquid of the hydrocyclone is discharged by the overflow port in top cover center, then passes through control
Valve processed is connect with the entrance of ultrafiltrate pump I, and the outlet of ultrafiltrate pump I is connect with the sewage inlet of micro-filtration filter device.
Preferably, the outlet of sewer of the micro-filtration filter device is connect by control valve with ultrafiltrate pump II entrance, ultrafiltration
The outlet of pump II is connect with the sewage inlet of ultra-filtration filters device.
Preferably, the clear water of the micro-filtration filter device and ultra-filtration filters device is discharged into clear water by control valve and collects dress
It sets.
Preferably, the sewage of the ultra-filtration filters device passes through the outlet of ultra-filtration filters bottom of device and control valve and water
The connection of power cyclone.
Preferably, the sediment that the hydrocyclone is isolated is discharged into slurry by control valve and Pulp pump and collects dress
It sets.
A kind of sledge dress process for treating oil field sewage, it is characterised in that: the following steps are included:
S1, sewage disinfection treatment, including following sub-step:
S11, water-oil separating: sewage enters inhalant region, and sewage enters water-oil separating area, float apparatus for collecting oil by sewage diversion trench
It collects oil slick and excludes；
S12, sedimentation separation: the sewage through oil removing enters sewage neutral zone by fluid level controller, according to sewage acid-base property, toward dirt
Water neutral zone puts into corresponding medicament and carries out sedimentation separation；
S2, sewage treatment, including following sub-step:
S21, pretreated sewage are handled through hydrocyclone, and the liquid after isolation of purified enters micro-filtration filter device；
S22, the clear water discharge obtained after the filtering of micro-filtration filter device, remaining separation sewage enter ultra-filtration filters device；
S23, the clear water discharge obtained after the filtering of ultra-filtration filters device, remaining separation sewage return to hydrocyclone and carry out again
Processing.
The invention has the following advantages that being revolved using classification processing structure using oil-water separation tank, sewage neutral zone, waterpower
Device, filter device are flowed, realizes oil removing, slagging-off, guarantees that final discharge can meet the industrial water of discharge standard；Sewage disposal system
Using micro-filtration, ultrafiltration, pure water water rate quality height, energy-saving and emission-reduction are filtered；The assembling structure integration of total sledge, meets without scene
The requirement that Sewage Disposal uses；The cost of sewage disposal of whole device is lower, is not necessarily to civil engineering, high-efficient, is suitble to oil field development
Initial stage, especially remote, scattered oil field use.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1- foul water tank, 2- water-oil separating area, 3- float apparatus for collecting oil, 4- fluid level controller, 5- sewage diversion trench,
6- sewage neutral zone, 7- dredge pump, 8- pretreating sewage outlet, 9- processing sewage are discharged into mouth, 10- circulating pump, 11- control
Valve, 12- hydrocyclone, 13- micro-filtration filter device, 14- ultra-filtration filters device, 15- inhalant region, 16- Pulp pump, 17- ultrafiltration
Pump I, 18- ultrafiltrate pump II, 19- sewage inlet, 20- slurry collection device, 21- clear water collection device, the chassis 22-.
Specific embodiment
It is of the invention to reach the technical means and efficacy that the beneficial purpose of scheduled invention is taken further to illustrate,
Below in conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its effect applied according to the present invention, in detail
It describes in detail bright as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment, this
Outside, special characteristic, structure or the feature in one or more embodiments can have any suitable form to combine:
As shown in Figure 1, a kind of sledge dress oilfield sewage treatment device and method, including pretreatment system for sewage and sewage treatment system
System, the pretreatment system for sewage are connect with sewage disposal system；The pretreatment system for sewage includes foul water tank 1, the dirt
Water tank 1 includes water-oil separating area 2, inhalant region 15 and sewage neutral zone 6, and the sewage of the inhalant region 15 passes through sewage diversion trench 5
Into water-oil separating area 2, in the water-oil separating area 2 by the sewage after 3 oil removing of float apparatus for collecting oil by fluid level controller 4 into
Enter sewage neutral zone 6；
The sewage disposal system includes hydrocyclone 12, micro-filtration filter device 13 and ultra-filtration filters device 14, the waterpower
The outlet of cyclone 12 is connect with the entrance of micro-filtration filter device 13, and the outlet of the micro-filtration filter device 13 and ultra-filtration filters fill
Set 14 entrance connection.
It further include dredge pump 7 as optional embodiment, the dredge pump 7 is arranged in inhalant region 15 and sewage
6 bottom of neutral zone, 6 bottom angled of inhalant region 15 and sewage neutral zone, dredge pump 7 are arranged in lower.
As optional embodiment, the sewage of the sewage neutral zone 6 is dirty by pretreating sewage outlet 8 and processing
Water is discharged into the connection of mouth 9, and processing sewage is discharged into mouth 9 and connect with the entrance of circulating pump 10, and the outlet of circulating pump 10 passes through control valve 11
It is connect with the entrance of hydrocyclone 12.
As optional embodiment, overflow port that the purified liquid of hydrocyclone 12 passes through top cover center
Discharge, then connect by control valve 11 with the entrance of ultrafiltrate pump I17, the outlet of ultrafiltrate pump I17 and the dirt of micro-filtration filter device 13
Water inlet connection.
As optional embodiment, the outlet of sewer of the micro-filtration filter device 13 passes through control valve 11 and ultrafiltrate pump
The connection of II18 entrance, the outlet of ultrafiltrate pump II18 is connect with the sewage inlet of ultra-filtration filters device 14.
As optional embodiment, the clear water of the micro-filtration filter device 13 and ultra-filtration filters device 14 passes through control
Valve 11 is discharged into clear water collection device 21.
As optional embodiment, the sewage of the ultra-filtration filters device 14 passes through 14 bottom of ultra-filtration filters device
Outlet and control valve 11 are connect with hydrocyclone 12.
As optional embodiment, the sediment that the hydrocyclone 12 is isolated passes through control valve 11 and slurry
Pump 16 is discharged into slurry collection device 20.
A kind of sledge dress process for treating oil field sewage, comprising the following steps:
S1, sewage disinfection treatment, including following sub-step:
S11, water-oil separating: sewage enters inhalant region, and sewage enters water-oil separating area, float apparatus for collecting oil by sewage diversion trench
It collects oil slick and excludes；
S12, sedimentation separation: the sewage through oil removing enters sewage neutral zone by fluid level controller, according to sewage acid-base property, toward dirt
Water neutral zone puts into corresponding medicament and carries out sedimentation separation；
S2, sewage treatment, including following sub-step:
S21, pretreated sewage are handled through hydrocyclone, and the liquid after isolation of purified enters micro-filtration filter device；
S22, the clear water discharge obtained after the filtering of micro-filtration filter device, remaining separation sewage enter ultra-filtration filters device；
S23, the clear water discharge obtained after the filtering of ultra-filtration filters device, remaining separation sewage return to hydrocyclone and carry out again
Processing.
Specific embodiment:
Foul water tank 1, hydrocyclone 12, micro-filtration filter device 13 and ultra-filtration filters device 14 are all mounted on angle steel or I-shaped
On chassis 22 made of steel；
Sewage disinfection treatment: sewage enters inhalant region 15 by sewage inlet 19, and sewage enters water-oil separating by sewage diversion trench 5
Area 2, deposit are settled down to 15 bottom of inhalant region, and foul water tank 1 is discharged by dredge pump 7 and sewage pipe, is discharged into slurry collection device
20,15 bottom angled of inhalant region, dredge pump 7 is arranged in lower, facilitates dredge pump 7 that deposit is discharged to slurry collection device
20；Oily wastewater is in 2 sedimentation separation of water-oil separating area, and float apparatus for collecting oil 3 is by floating oil collecting and foul water tank 1 is discharged, by removing
The sewage of oil flows into sewage neutral zone 6 by the fluid level controller 4 being arranged between water-oil separating area 2 and sewage neutral zone 6；It is dirty
Water, according to sewage acid-base property, puts into corresponding medicament and carries out sedimentation separation, deposit is settled down to the area in sewage neutral zone 6
Foul water tank 1 is discharged by dredge pump 7 and sewage pipe in domain bottom, is discharged into slurry collection device 20,6 bottom angled of sewage neutral zone,
Dredge pump 7 is arranged in lower, facilitates dredge pump 7 that deposit, pretreated preprocessed 8 He of outfall of sewage is discharged
Processing sewage is discharged into mouth 9 into sewage disposal system.
Sewage treatment: sewage is discharged into mouth 9 by handling sewage after pretreatment, enters waterpower through circulating pump 10 and control valve 11
Cyclone 12, sewage is by the top-down rotary motion of hydrocyclone 12, and liquid after isolation of purified is from hydrocyclone
The overflow port in 12 top covers center is discharged, and enters micro-filtration filter device 13, the sediment isolated through ultrafiltrate pump I17 and control valve 11
It is discharged from underflow opening, is discharged through control valve 11 and Pulp pump 16, is discharged into slurry collection device 20；Into micro-filtration filter device 13
Sewage, the pure water being obtained by filtration through filter device are discharged into clear water collection device 21 by control valve 11, the sewage warp of remaining separation
11 and ultrafiltrate pump II18 of control enters ultra-filtration filters device 14；Sewage into ultra-filtration filters device 14 is filtered through filter device
The pure water arrived is discharged into clear water collection device 21 by control valve 11, remaining separation sewage backs into waterpower rotation through control valve 11
Stream device 12 is reprocessed.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (9)
1. a kind of sledge fills oilfield sewage treatment device, it is characterised in that: including pretreatment system for sewage and sewage disposal system, institute
Pretreatment system for sewage is stated to connect with sewage disposal system；The pretreatment system for sewage includes foul water tank (1), the foul water tank
It (1) include water-oil separating area (2), inhalant region (15) and sewage neutral zone (6), the sewage of the inhalant region (15) is led by sewage
Chute (5) enters water-oil separating area (2), is passed through in the water-oil separating area (2) by the sewage after float apparatus for collecting oil (3) oil removing
Fluid level controller (4) enters sewage neutral zone (6)；The sewage disposal system includes hydrocyclone (12), micro-filtration filtering dress
(13) and ultra-filtration filters device (14) are set, the outlet of the hydrocyclone (12) and the entrance of micro-filtration filter device (13) connect
It connects, the outlet of the micro-filtration filter device (13) is connect with the entrance of ultra-filtration filters device (14).
2. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: it further include dredge pump (7),
The dredge pump (7) is arranged in inhalant region (15) and sewage neutral zone (6) bottom, inhalant region (15) and sewage neutral zone
(6) bottom angled, dredge pump (7) are arranged in lower.
3. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the sewage neutral zone
(6) sewage is discharged into mouth (9) with processing sewage by pretreating sewage outlet (8) and connect, and processing sewage is discharged into mouth (9) and follows
Ring pumps the entrance connection of (10), and the outlet of circulating pump (10) is connect by control valve (11) with the entrance of hydrocyclone (12).
4. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the hydrocyclone
(12) purified liquid is discharged by the overflow port in top cover center, then passes through the entrance of control valve (11) and ultrafiltrate pump I(17)
Connection, ultrafiltrate pump I(17) outlet connect with the sewage inlet of micro-filtration filter device (13).
5. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the micro-filtration filters dress
Set the outlet of sewer of (13) to connect by control valve (11) with ultrafiltrate pump II(18) entrance, ultrafiltrate pump II(18) outlet and ultrafiltration
The sewage inlet of filter device (14) connects.
6. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the micro-filtration filters dress
The clear water for setting (13) and ultra-filtration filters device (14) is discharged into clear water collection device (21) by control valve (11).
7. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the ultra-filtration filters dress
The sewage for setting (14) is connect by the outlet and control valve (11) of ultra-filtration filters device (14) bottom with hydrocyclone (12).
8. a kind of sledge according to claim 1 fills oilfield sewage treatment device, it is characterised in that: the hydrocyclone
(12) sediment isolated is discharged into slurry collection device (20) by control valve (11) and Pulp pump (16).
9. a kind of sledge according to claim 1 fills process for treating oil field sewage, it is characterised in that: the following steps are included:
S1, sewage disinfection treatment, including following sub-step:
S11, water-oil separating: sewage enters inhalant region, and sewage enters water-oil separating area, float apparatus for collecting oil by sewage diversion trench
It collects oil slick and excludes；
S12, sedimentation separation: the sewage through oil removing enters sewage neutral zone by fluid level controller, according to sewage acid-base property, toward dirt
Water neutral zone puts into corresponding medicament and carries out sedimentation separation；
S2, sewage treatment, including following sub-step:
S21, pretreated sewage are handled through hydrocyclone, and the liquid after isolation of purified enters micro-filtration filter device；
S22, the clear water discharge obtained after the filtering of micro-filtration filter device, remaining separation sewage enter ultra-filtration filters device；
S23, the clear water discharge obtained after the filtering of ultra-filtration filters device, remaining separation sewage return to hydrocyclone and carry out again
Processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980880.1A CN109019926A (en) | 2018-08-27 | 2018-08-27 | A kind of sledge dress oilfield sewage treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980880.1A CN109019926A (en) | 2018-08-27 | 2018-08-27 | A kind of sledge dress oilfield sewage treatment device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019926A true CN109019926A (en) | 2018-12-18 |
Family
ID=64625186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810980880.1A Pending CN109019926A (en) | 2018-08-27 | 2018-08-27 | A kind of sledge dress oilfield sewage treatment device and method |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040079706A1 (en) * | 2002-10-24 | 2004-04-29 | Membrane Technology And Research, Inc. | Treatment of shipboard-generated oily wastewaters |
| RU171610U1 (en) * | 2017-02-08 | 2017-06-07 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Installation for the treatment of oily water |
| CN207608423U (en) * | 2017-10-11 | 2018-07-13 | 四川金星清洁能源装备股份有限公司 | Integrated sledge fills industrial sewage purification device |
| CN208791323U (en) * | 2018-08-27 | 2019-04-26 | 四川金星清洁能源装备股份有限公司 | A kind of sledge dress oilfield sewage treatment device |
-
2018
- 2018-08-27 CN CN201810980880.1A patent/CN109019926A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040079706A1 (en) * | 2002-10-24 | 2004-04-29 | Membrane Technology And Research, Inc. | Treatment of shipboard-generated oily wastewaters |
| RU171610U1 (en) * | 2017-02-08 | 2017-06-07 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Installation for the treatment of oily water |
| CN207608423U (en) * | 2017-10-11 | 2018-07-13 | 四川金星清洁能源装备股份有限公司 | Integrated sledge fills industrial sewage purification device |
| CN208791323U (en) * | 2018-08-27 | 2019-04-26 | 四川金星清洁能源装备股份有限公司 | A kind of sledge dress oilfield sewage treatment device |
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