CN201301240Y - Oil-contained sewage treating equipment - Google Patents
Oil-contained sewage treating equipment Download PDFInfo
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- CN201301240Y CN201301240Y CNU2008200806094U CN200820080609U CN201301240Y CN 201301240 Y CN201301240 Y CN 201301240Y CN U2008200806094 U CNU2008200806094 U CN U2008200806094U CN 200820080609 U CN200820080609 U CN 200820080609U CN 201301240 Y CN201301240 Y CN 201301240Y
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Abstract
The utility model discloses oil-contained sewage treating equipment which comprises a tank body (16). A water outlet pipe (28) is arranged at the upper part of the tank body, a mud-discharging bucket (23) is arranged at the bottom part, and a mud-discharging opening (24) is arranged at the lower part of the mud-discharging bucket; a rotary-flowing oil-water separator (1) is arranged at the upper middle position of the tank body, one end of the separator (1) is extended out from the top part of the tank body (16), the separated oil is led out from the end, the other end of the separator (1) is located in the tank body (16), and water which is separated at first is led out from the other end. The oil-contained sewage treating equipment is characterized in that: a medicine-adding reactor (17) and a settlement separator (19) are also arranged in the tank body (16); wherein the medicine-adding reactor (17) is located at the lower part of the separator (1), the inlet end of the medicine-adding reactor (17) is connected with the other end of the separator (1), and the outlet end of the medicine-adding reactor (17) is connected with the settlement separator (19) at the lower part.
Description
Technical field
The utility model relates to a kind of sewage disposal device, relates in particular to a kind of oil conte, sewage treatment device.
Background technology
Along with the enhancing of environmental consciousness, China's municipal effluent and treatment rate of industrial effluents are improving constantly, and wherein the processing of oily(waste)water is that the sewage disposal that produces in the indispensable link in most of waste water, particularly oil field mining liquid treating processes is all the more so.
Since the nineties, each oil field of China mostly enters the middle and high moisture productive life, and water content sharply increases in the produced liquid in oil well, the also corresponding increase of oil-contaminated water of oil field amount.Along with the needs of coastal waters and offshore oil field development production and environment protection, secondary separation is had higher requirement to profit.Because the restriction of offshore oil production platform spatial uses other oily water separating equipment will increase platform construction and operational cost inevitably.
The core of oil conte, sewage treatment device is to adopt liquid-liquid centrifugal separation technique, and it has advantages such as volume is little, in light weight, occupation of land is few.This technology results from Britain Southampton university in nineteen seventies, at first the hydrocyclone of development is applied to oil-water sepn by M.T.Thew, and cyclone technique is applied in the liquid-liquid separation of petroleum industry in the eighties.Two more than ten years afterwards, hydrocyclones for liquid and liquid separation constantly is improved.
Liquid-liquid hydrocyclone is to rely on the fluidic rotation to produce centrifugal force to reach the purpose of separating different substances.China's utility model patent 02239957.7 (open day: disclose a kind of oil-water separator on May 21st, 2003), this separator is suitable for the sewage disposal in the oil field mining liquid treating processes, mainly form by entrance, accelerating sections, segregation section and four solid of revolution of steady flow segment, its oil outlet pipe is arranged on the central position of entrance end, also is provided with two tangential inlets at entrance.After liquid mixture tangentially flows to entrance from inlet, produce high speed rotating, because the density difference of weight component in the mixture, under action of centrifugal force, heavy constituent will be turned round the motion of wall place to swirler, and concentrate near wall, in rotary course, to the outlet at bottom motion, finally discharge swirler gradually.Meanwhile, light constituent will form wick, and flow to Way in to the motion of swirler central axis, discharges from overflow port, has so just realized the separation of weight component.
Chinese utility model patent 00217613.0 early (open day: also disclose a kind of oil-water separator March 14 calendar year 2001), its basic structure is similar to above-mentioned patent, only accelerating sections, segregation section have a plurality of taperings, thereby separating effect may be better.
For oil-water sepn hydrocyclone, be divided into two kinds of de-oiling type and dehydration-types.Usually use de-oiling type oil-water separator to handle oily(waste)water, promptly oleaginousness is sloughed the oil in the sewage less than the occasion of oil-water mixed liquid 2%.Adopt this moment above-mentioned oil-water separator to handle the lower sewage of oleaginousness, the water ratio of the oil of discharging from oil outlet pipe may be higher, and when particularly separating higher oily of viscosity, effect is relatively poor relatively.In addition, owing to the various oily(waste)water pressure in ingress differ, or often fluctuation is arranged, thereby can not get the wick of stable reversed flow, isolated oil can not successfully flow out from tiny oil spilling mouth, also may cause You Heshui separately to mix again, and this is undesirable.
In addition, above-mentioned two patents do not have open subsequent disposal technology to the water after separating.Because the water after separating also contains other component and a spot of oil, need further process.This Water reuse is handled also needs conversion unit, settlement separate equipment, also may need the processing of filter plant.These equipment generally need to arrange separately, have take up an area of big, the flow process time is long and media filtration is easy to harden needs often to change the shortcoming of filtrate.
Summary of the invention
Therefore, the purpose of this utility model is the deficiency that overcomes prior art, proposes a kind of oil conte, sewage treatment device, its compact construction, and the efficient height also has the little characteristics of power consumption.
Another purpose of the present utility model is to want to provide the oil conte, sewage treatment device with novel oil-water separator, thereby working cost is reduced, and is applied widely, and improved separating effect.
Another purpose of the present utility model is to want to provide the oil conte, sewage treatment device of the filtration unit with backwashing function, this filtration unit has good regenerative power, can carry out the deep layer interception to impurity in the water, thereby working cost is reduced, and further improve separating effect.
For this reason, the utility model provides a kind of oil conte, sewage treatment device, comprising: tank body, be provided with rising pipe on the top of this tank body, and the bottom is provided with mud-removing bucket, and the bottom of this mud-removing bucket has mud discharging mouth; Upper middle position at this tank body also is provided with oil-water separator, one end of water-and-oil separator stretches out from the top of tank body, the oil of separating is derived from this end, the other end of this water-and-oil separator is positioned at tank body, the water that just branches away is derived from the described the other end, it is characterized in that, in described tank body, also be provided with dosing reactor and settlement separator, wherein this dosing reactor is positioned at the downstream of water-and-oil separator, its entrance end and the described the other end of this water-and-oil separator join, and the exit end of dosing reactor then joins with the settlement separator in downstream.
Oil conte, sewage treatment device compact construction of the present utility model, it is combined in original downstream processing device that is provided with separately on the equipment, has saved floor space and working hour greatly, and separation efficiency has had significant raising.
Described oil conte, sewage treatment device has also adopted novel oil-water separator, comprises the entrance, first cone and the steady flow segment that connect in turn; Described entrance is provided with at least one tangential inlet, and liquid-inlet pipe and tangential inlet join; This first cone is shunk downwards, has accelerating sections, oily water separation section; Described steady flow segment is longilineal cylindrical tube, and its afterbody is provided with outlet; Described separator comprises also and is positioned at second cone or the liquid shrinkable that described entrance top joins with it that this cone or liquid shrinkable upwards shrink, and have open top.
Owing to small-bore overflow port is not set, and with bigbore second cone or liquid shrinkable, make the oil that is easy to hold reversed flow, and along the inner face contraction, velocity of flow is in the open top maximum near entrance.Oil can be drawn like this, and be difficult for water entrainment.
According to further feature of the present utility model, central position on the upper side, the middle part of described entrance also is provided with stirring rake.Described stirring rake radius should not be too big, in case flow disturbance is excessive, and rotating speed can not be too fast, in case velocity of shear too conference make oil-water emulsion.When processing contained the sewage of the bigger oil of viscosity, rotating speed more can not be too fast, in order to avoid oil retrogradation more.Stirring rake is mainly used in to separate and contains bigger oil of viscosity and the big sewage of oleaginousness.The oil that viscosity is bigger under certain speed has the shear shinning characteristic of non-Newtonian fluid, stirs through the rotation of this stirring rake and quickens, and oil viscosity reduces, and flowability improves, thereby is easy to quicken to rise along the conical surface.
The open top downstream of described oil-water separator preferably is provided with and is used for this open-topped valve of switch.This valve is regularly opened, better oil is drawn.
Further structure according to oil conte, sewage treatment device of the present utility model also comprises back-flushing filtering device, and from water (flow) direction, this filtration unit is positioned at the downstream of described settlement separator.Described filtration unit is regenerated by the air water back washing system, thereby working cost is reduced, and has further improved separating effect.
Described back-flushing filtering device comprises filter material layer and some backwash tubes, and described filter material layer is passed in these backwash tube upper ends, and its lower end is positioned at filter material layer and has cross through hole.
According to an embodiment, settlement separator comprises splitter, be positioned at flow-stopping plate and position separating bucket thereon below it.Splitter is provided with some apertures towards flow-stopping plate, falls on the flow-stopping plate through these apertures from the water that the dosing reactor is come, thereby enters the liquid-solid disengaging zone of tank body bottom.
Described separating bucket is the cone of the hole enlargement that makes progress, and amplexiform mutually with described filter material layer, the lower end centers on oil-water separator and the looping water outlet, and the water after sedimentation is handled arrives in the settlement separate bucket from this water outlet, discharges from rising pipe by filter device again.The periphery of described separating bucket upper end wall portion and/or filtration unit has at least one equalizing port, makes the fluid pressure balance of filtrating area and reaction negative area, guarantees the normal precipitin reaction of reaction zone, thereby makes the continuous smooth working of oil conte, sewage treatment device.
From as can be seen last, equipment of the present utility model not only can carry out oily water separation preferably, can also realize multinomial functions such as dosing reaction, coagulating sedimentation, filtration simultaneously, and coagulant precipitation has overcome the characteristics of traditional settling tank settling time length, effect of settling difference.In addition, this equipment takes up an area of few, safeguards simply the easy handling operation.
Description of drawings
Below, describe embodiment of the present utility model in conjunction with the accompanying drawings in detail, wherein:
Fig. 1 is the synoptic diagram of the utility model oil conte, sewage treatment device, and wherein filtration unit is broken away with top, and filtration unit is removed with the tank body of lower section;
Fig. 2 is the synoptic diagram of oil-water cyclone separator;
The sectional view of Fig. 3 for cuing open along the A-A line among Fig. 2, amplified;
Fig. 4 is the partial enlarged drawing of structure shown in Figure 3;
Fig. 5 is the partial enlarged drawing of settlement separator;
Fig. 6 is the vertical view of settlement separator shown in Figure 5, is amplified by local.
Label declaration:
The 1-oil-water cyclone separator; The 2-entrance; 3-first cone;
4-second cone or liquid shrinkable;
The 5-accelerating sections; 6-oily water separation section; The 7-steady flow segment; The 8-liquid-inlet pipe;
The 9-worm screw; The 10-stirring rake; The 11-tangential inlet; The 12-outlet; The 13-mouth of pipe;
The 14-open top; The 15-oil outlet pipe; The 16-tank body; 17-dosing reactor;
The 18-dosing mouth; The 19-settlement separator; The 20-splitter; The 21-flow-stopping plate;
The 22-separating bucket; The 23-sludge hopper; The 14-mud discharging mouth; The 25-equalizing port; The 26-filtration unit;
The 27-backwash tube; The 28-rising pipe; The 29-filter material layer; The 30-aperture; The 31-water outlet;
The 32-breeches pipe; The 33-ring pipe.
Embodiment
As shown in Figure 1, oil conte, sewage treatment device of the present utility model has axial circle tube tank body 16, is provided with rising pipe 28 on the top of tank body, and the bottom has mud-removing bucket 23, and this mud-removing bucket is taper in the present embodiment, and its underpart has mud discharging mouth 24.In addition, the upper middle position of tank body 16 also is provided with oil-water separator 1, and an end of this water-and-oil separator 1 stretches out from the top of tank body 16, and the oil of separating is just derived from this end.The other end of described water-and-oil separator 1 is positioned at tank body 16, and the water that just branches away is derived from described end.Dosing reactor 17 and settlement separator 19 also are set in described tank body 16, wherein dosing reactor 17 is positioned at the downstream of water-and-oil separator 1, its entrance end and described water-and-oil separator 1 join, and the exit end of dosing reactor 17 then joins with the settlement separator 19 in downstream.
Described dosing reactor 17 has dosing mouth 18, and two dosing mouths are arranged in the present embodiment, can realize Automatic Dosing.Dosing reactor 17 is a vertical, and the sewage after the oily water separation flows from bottom to top, flows to settlement separator 19 afterwards.Described settlement separator 19 comprises splitter 20, be positioned at flow-stopping plate 21 and position separating bucket 22 thereon below it.Flow-stopping plate 21 is the cone of big tapering or similarly liquid shrinkable, expansion from top to bottom.
Shown in Fig. 5 and 6, described splitter 20 has breeches pipe 32 and ring pipe 33, has some apertures 30 towards flow-stopping plate 21 on the ring pipe 33.In general, the aperture in the aperture 30 of close breeches pipe 32 outlets is smaller, makes the flow that flows out these apertures 30 substantially the same.The outside that the water of coming from dosing reactor 17 is fallen flow-stopping plate 21 through these apertures 30 is slowly descended, thereby solid phase has and precipitates environment preferably.The solid phase that is precipitated out is regularly discharged from mud discharging mouth 24.
Described separating bucket 22 is the similar liquid shrinkable of cone of the hole enlargement that makes progress.When adopting cone, its vertical diameter roughly equates with tank body 16.Amplexiform mutually with described filter material layer 29 on the top, and the lower end centers on oil-water separator 1 and looping water outlet 31, and the water after sedimentation is handled arrives in separating buckets 22 from this water outlet 31, discharges from rising pipe 28 by filter device 26 again.Annular water outlet 31 should separate certain distance with flow-stopping plate 21, is advisable not mix the liquid that rises around the central authorities, in order to avoid the solid phase that part is come out from aperture 30 is entrained in the separating bucket 22.
The periphery of described separating bucket 22 upper end wall portions and/or filtration unit 26 has at least one equalizing port 25.Air between separating bucket outer wall and the tank body can in time be discharged, keep stable water pressure.。
Back-flushing filtering device 26 comprises filter material layer 29 and some backwash tubes 27.Described filter material layer 29 is passed in these backwash tube 27 upper ends, and its lower end is positioned at filter material layer 29 and has some cross through hole.When filtration unit 26 is carried out back flushing, water and/or gas inject from rising pipe 28, some cross through hole through the lower end of backwash tube 27 flow in the filter material layers 29, flow in the separating bucket 22 downwards, the dirt settling that is attached to filter material layer 29 lower surfaces is washed out, make it to fall in the mud-removing bucket 23, discharge from the mud discharging mouth of opening 14, thereby finished backwash process.If filtrate is the granulometric composition that scatters, then in filtrate, agitator can be set, strengthen cleaning performance to filtrate.
See also shown in Figure 2ly, described oil conte, sewage treatment device has also adopted novel oil-water separator, and this oil-water cyclone separator is totally represented with numeral 1, comprises the entrance 2, first cone 3 and the steady flow segment 7 that connect in turn.Entrance 2 is cylindrical, and it is provided with at least one tangential inlet 11 (seeing also Fig. 3 and 4), and in the present embodiment, tangential inlet 11 has two, and their intervals are arranged on the sustained height for 180 °.Certainly, each tangential inlet 11 also is provided with at various height.Liquid-inlet pipe 8 is plugged on the tangential inlet 11, and preferably flushes with entrance 2 inwalls.A liquid-inlet pipe 8 among Fig. 2 is omitted, to show tangential inlet 11.Inlet stream preferably causes fluid to be at entrance 2 and is rotated counterclockwise.
The internal diameter of liquid-inlet pipe 8 is reduced at the mouth of pipe 13 places, to increase flow velocity.In general, inlet diameter is more little, and then inlet velocity is big more, and centrifugal force is big more, helps the profit biphase to a certain extent and separates.Owing to liquid medium in the swirler be carry out under the action of centrifugal force that produces at high speed rotating isolating, high speed rotary motion must bring the effect of shearing stress, the existence of this shearing stress can make the drop of separated liquid crushing Cheng Gengxiao such as oil droplet, has strengthened isolating difficulty.So the liquid inlet speed of hydrocyclone is not to be the bigger the better, inlet velocity should be controlled in certain scope.In the present embodiment, the internal diameter of liquid-inlet pipe 8 is being reduced to about half at the mouth of pipe 13 places, is to allow oil-water cyclone separator work under normal pressure in principle.In an illustrated embodiment, because water is mobile from bottom to top, it is necessary keeping certain hydraulic pressure.
Again referring to Fig. 2, described separator comprises also and is positioned at second cone or the liquid shrinkable 4 that described entrance 2 tops join with it that this cone or liquid shrinkable 4 upwards shrink.When adopting cone, constitute conical oil-collecting section.Second cone or liquid shrinkable 4 have open top 14.Also connect oil outlet pipe 15 in open top 14.Can be provided with the valve that is used for this open top 14 of switch in described open top 14 downstreams.Described valve is regularly opened when separator is worked, and decide on characteristic, flow velocity and the flow etc. of oily(waste)water pitch time.
Consider that oleaginousness is big or separate the bigger oil of viscosity, also be provided with stirring rake 10 in the central position on the upper side, middle part of entrance 2, coaxial with second cone or liquid shrinkable 4.Stirring rake 10 is a small impeller, is installed on the worm screw 9, is driven by the worm gear (not shown).Because the transmitting ratio of worm gear-endless screw is very big, worm gear can directly be driven by motor, and the rotating speed that makes worm screw is at 20～800 rev/mins, preferably at 30-600 rev/min.Certainly, adopt other transmission mechanism also within spiritual scope of the present utility model.
Described stirring rake 10 radiuses should not be too big, in case flow disturbance is excessive, and rotating speed can not be too fast, in case velocity of shear too conference make oil-water emulsion.When processing contained the sewage of the bigger oil of viscosity, rotating speed more can not be too fast, in order to avoid oil retrogradation more.Stirring rake 10 is mainly used in to separate and contains bigger oil of viscosity and the big sewage of oleaginousness.The oil that viscosity is bigger under certain speed has the shear shinning characteristic of non-Newtonian fluid, stirs through the rotation of this stirring rake 10 and quickens, and oil viscosity reduces, and flowability improves, thereby is easy to quicken to rise along the conical surface.
Principle of work:
Oily(waste)water tangentially enters oil-water separator entrance 2 from liquid-inlet pipe 8, because liquid has certain pressure and tangentially enter cyclone separator, retrained by the limit wall, and tangential motion becomes and rotatablely moves, and produces eddy current.When mixing liquid when entrance flows to accelerating sections 5, be subjected to the effect of the conical surface, cyclonic action is strengthened.
In oily water separation section 6, because liquid at high speed rotation, produce very big centrifugal acceleration, be subjected to centrifugal action, the less phase of density (oil phase) is moved to the axle center, and by bigbore second cone or liquid shrinkable 4, the feasible oil that is easy to hold reversed flow, and along the inner face contraction, velocity of flow is in the open top maximum.Oil can be drawn like this, and be difficult for water entrainment.Big phase (water) the Xiang Bianbi motion of density is discharged swirler by steady flow segment 7 from the bottom.If be provided with the valve that is used for this open top 14 of switch in open top 14 downstreams, and valve regularly opened when separator is worked, and the effect of then drawing oil can be better.
Gone the sewage of basic oil removing to flow to dosing reactor 17 downwards,, realized the reaction of medicament thorough mixing, reached treatment effect preferably by twice dosing process.Enter settlement separator 19 through the well-mixed sewage of dosing, sewage is behind cowling panel, and flow velocity reduces, and the sludge settling district is subjected to disturbance less, can reach static relatively state, so effect of settling is fine, can fully carry out mud-water separation.Mud accumulates in the bucket at last, is regularly discharged.The water that precipitated arrives in the separating bucket 22 through water outlet 31, also has floss this moment in the water and carries heavier than water on a small quantity solid phase secretly.The sewage that the solid phase that density is bigger is sink to bottom and upper reaches bumps against, and strengthens sewage treatment effect (solid phase plays the effect of filtering layer).The water at upper reaches is discharged from water outlet through filter material layer 29 filtrations of band equalizing port.The back flushing of filtrate adopts gas, water, mechanical stirring to unite use, blows or water filling from top, realizes regularly blowdown backwash function.
Should be appreciated that it is exemplary and nonrestrictive more than describing.For having read those skilled in the art described above, many embodiment except given example and application will be conspicuous.Therefore, protection domain of the present utility model determine should not be limited to above description, but should determine with reference to follow-up claims and whole whole schemes that are equal to, can predict and expect that should give such claims.
Claims (10)
1. oil conte, sewage treatment device comprises: tank body (16), be provided with rising pipe (28) on the top of this tank body, and the bottom is provided with mud-removing bucket (23), and the bottom of this mud-removing bucket has mud discharging mouth (24); Upper middle position at this tank body also is provided with oil-water separator (1), one end of separator (1) stretches out from the top of tank body (16), the oil of separating is derived from this end, the other end of separator (1) is positioned at tank body (16), the water that just branches away is derived from the described the other end, it is characterized in that, dosing reactor (17) and settlement separator (19) also are set in described tank body (16), wherein dosing reactor (17) is positioned at the downstream of separator (1), the described the other end of its entrance end and separator (1) joins, and the exit end of dosing reactor (17) then joins with the settlement separator (19) in downstream.
2. equipment according to claim 1 is characterized in that, described oil-water separator (1) comprises entrance (2), first cone (3) and the steady flow segment (7) that connects in turn; Described entrance (2) is provided with at least one tangential inlet (11), and liquid-inlet pipe (8) joins with tangential inlet (11); This first cone (3) is shunk downwards, has accelerating sections (5), oily water separation section (6); Described steady flow segment (7) is longilineal cylindrical tube, its afterbody is provided with outlet (12), described separator comprises also and is positioned at second cone or the liquid shrinkable (4) that described entrance (2) top joins with it that this cone or liquid shrinkable (4) upwards shrink, and have open top (14).
3. equipment according to claim 2 is characterized in that, the central position on the upper side, middle part of described entrance (2) is provided with stirring rake (10).
4. according to claim 2 or 3 described equipment, it is characterized in that described open top (14) or downstream are provided with the valve that is used for this open top of switch (14).
5. equipment according to claim 1 is characterized in that, also further comprises back-flushing filtering device (26), and from water (flow) direction, this filtration unit (26) is positioned at the downstream of described settlement separator (19).
6. equipment according to claim 5, it is characterized in that, described back-flushing filtering device (26) comprises filter material layer (29) and some backwash tubes (27), and described filter material layer (29) is passed in these backwash tubes (27) upper end, and its lower end is positioned at filter material layer (29) and has cross through hole.
7. equipment according to claim 1 or 5 is characterized in that, described settlement separator (19) comprises splitter (20), be positioned at flow-stopping plate (21) and position separating bucket (22) thereon below it.
8. equipment according to claim 7 is characterized in that, described splitter (20) is provided with some apertures towards flow-stopping plate (21) (30), falls on the flow-stopping plate (21) through these apertures (30) from the water that dosing reactor (17) is come.
9. equipment according to claim 7, it is characterized in that, described separating bucket (22) is the cone of the hole enlargement that makes progress, and amplexiform mutually with described filter material layer (29), the lower end centers on oil-water separator (1) and looping water outlet (31), water after sedimentation is handled arrives in the settlement separate bucket (22) from this water outlet (31), discharges from top rising pipe (28) by filter device (26) again.
10. equipment according to claim 7 is characterized in that, the periphery of described separating bucket (22) upper end wall portion and/or filtration unit (26) has at least one equalizing port (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806094U CN201301240Y (en) | 2008-05-15 | 2008-05-15 | Oil-contained sewage treating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200806094U CN201301240Y (en) | 2008-05-15 | 2008-05-15 | Oil-contained sewage treating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201301240Y true CN201301240Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200806094U Expired - Fee Related CN201301240Y (en) | 2008-05-15 | 2008-05-15 | Oil-contained sewage treating equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413242A (en) * | 2015-11-27 | 2016-03-23 | 榆林学院 | Device for extracting oil from oil-water mixture |
| CN105836915A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Oil-water separation complete equipment |
| CN106554102A (en) * | 2017-01-24 | 2017-04-05 | 中石化炼化工程（集团）股份有限公司 | Oily-water seperating equipment and oil-water separation system |
| CN106833724A (en) * | 2017-03-22 | 2017-06-13 | 安徽国孚润滑油工业有限公司 | Residual oil continuous sedimentation separator |
| CN115054949A (en) * | 2022-05-26 | 2022-09-16 | 肖丹丹 | Filtration and separation device for environment-friendly manufacturing industrial sewage |
-
2008
- 2008-05-15 CN CNU2008200806094U patent/CN201301240Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836915A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Oil-water separation complete equipment |
| CN105413242A (en) * | 2015-11-27 | 2016-03-23 | 榆林学院 | Device for extracting oil from oil-water mixture |
| CN106554102A (en) * | 2017-01-24 | 2017-04-05 | 中石化炼化工程（集团）股份有限公司 | Oily-water seperating equipment and oil-water separation system |
| CN106833724A (en) * | 2017-03-22 | 2017-06-13 | 安徽国孚润滑油工业有限公司 | Residual oil continuous sedimentation separator |
| CN115054949A (en) * | 2022-05-26 | 2022-09-16 | 肖丹丹 | Filtration and separation device for environment-friendly manufacturing industrial sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent treatment equipment of oil containing sewage Effective date of registration: 20110627 Granted publication date: 20090902 Pledgee: Beijing's first investment Company Limited by Guarantee Pledgor: Sino-Gas & Oil Technology Co., Ltd. Registration number: 2011990000242 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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