CN110182897A - Oil-contained waste water treatment device - Google Patents
Oil-contained waste water treatment device Download PDFInfo
- Publication number
- CN110182897A CN110182897A CN201910541401.0A CN201910541401A CN110182897A CN 110182897 A CN110182897 A CN 110182897A CN 201910541401 A CN201910541401 A CN 201910541401A CN 110182897 A CN110182897 A CN 110182897A
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- Prior art keywords
- oil
- filter layer
- water
- treatment device
- contained waste
- 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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Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 239000004575 stone Substances 0.000 claims abstract description 13
- 239000004519 grease Substances 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 69
- 238000007667 floating Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 210000000476 body water Anatomy 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 4
- 239000000706 filtrate Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The present invention relates to grease processing technology fields, more particularly, to a kind of oil-contained waste water treatment device.The oil-contained waste water treatment device includes: oil separator, Oil sucking device, filtering tank and oily-water seperating equipment；Pass through the filtering tank and oily-water seperating equipment of unique design, it realizes and the firsts and seconds of water-oil separating is handled respectively, and, filtrate can also be loaded in filtering tank and oily-water seperating equipment, such as charcoal, float stone, the device are mainly used in African certain areas, and this area's economic condition, industrial sector fall behind, medium using local charcoal, float stone cheap and easy to get as water-oil separating, being capable of cost-effective processing oily wastewater.
Description
Technical field
The present invention relates to grease processing technology fields, more particularly, to a kind of oil-contained waste water treatment device.
Background technique
In recent years, some regional economy technology development in Africa are swift and violent.However, economic development bring problem of environmental pollution is
One of Kenya's urgent problem, such as greasy dirt of railway machinery room, the haulage vehicle leakage in ground will be with rainwater
The park for polluting periphery, influences the ecological environment of locals.Existing sewage disposal device is primarily directed to concentrated contaminated water source
Processing, and processing cost is relatively high.However existing sewage treatment facility is used for this paroxysmal environmental pollution
It is extremely difficult to treatment effect.
The information disclosed in the background technology section is intended only to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of oil-contained waste water treatment devices, are asked with solving technology existing in the prior art
Topic.
To achieve the goals above, the invention adopts the following technical scheme:
The present invention provides a kind of oil-contained waste water treatment device comprising:
Oil separator；
Oil sucking device, one end of the Oil sucking device are connect with the oil separator, and the other end of the Oil sucking device passes through
Fuel sucking pipe is connect with oil scavenge pump；
Filtering tank, the filtering tank include: tank body, the first filter layer, the second filter layer, third filter layer, the 4th filtering
Layer and mounting base；The tank body is set in the mounting base, and the top of the tank body is provided with water inlet, under the tank body
Portion is provided with water outlet, and the oil scavenge pump is used to for the grease of oil separator being pumped to the water inlet of the tank body；First mistake
Filtering layer, the second filter layer, third filter layer, the 4th filter layer are set in turn in the middle part of the tank body from top to bottom；
Oily-water seperating equipment, the oily-water seperating equipment include: upper body, lower case, hydrocyclone separation structure, top
Baffle, under shield, cylinder reticular structure；The top of the upper body has water inlet, and the bottom of the upper body has
There is water outlet, the upper guard-plate is lifted on the upper body, and the upper body is divided on one by the upper guard-plate
Portion water-oil separating space and a top water space, the water-oil separating that the hydrocyclone separation structure is set to the upper body are empty
Between；The bottom of the lower case has inlet and outlet, the water inlet of the lower case and the upper body
Water outlet connection, the water inlet of the lower case are connect with the inside of cylinder reticular structure, the water outlet of the lower case
It is set on the side wall of the lower case, the lower case is divided into a lower part water-oil separating space by the under shield
With lower part water space, the water outlet of the filtering tank is higher than the water outlet of the lower case.
As a kind of further technical solution, the hydrocyclone separation structure includes: inverted cone and flow-guiding channel；It is described
Inverted cone is set to top water-oil separating space, the inner surface of the inverted cone helically curved surface, the inverted cone
The upper end of body and the water inlet of upper body connect；The flow-guiding channel is located at the bottom of the inverted cone, and the water conservancy diversion
Channel is obliquely distributed, and the flow-guiding channel is connect with the water outlet of the upper body.
As a kind of further technical solution, the upper guard-plate is lifted on the top of the upper body, and described
The bottom end of upper guard-plate is located at the lower section of the water outlet of the upper body.
As a kind of further technical solution, the cylinder reticular structure is the netted knot of cylinder with interlayer space
Structure；Float stone or active carbon are provided in the interlayer space of the cylinder reticular structure.
As a kind of further technical solution, the under shield is lifted on the top of the lower case, and described
The bottom end of under shield is located at the lower section of the water outlet of the lower case.
As a kind of further technical solution, first filter layer, the second filter layer, third filter layer, the 4th mistake
Filtering layer is respectively the reticular structure with interlayer space.
As a kind of further technical solution, first filter layer, the second filter layer, third filter layer, the 4th mistake
At least one is filled with float stone in filtering layer.
As a kind of further technical solution, first filter layer, the second filter layer, third filter layer, the 4th mistake
At least one is filled with active carbon in filtering layer.
As a kind of further technical solution, the filtering tank further include: L-type plate washer；The L-type plate washer is connected to institute
It states on the inner wall of tank body；The water outlet of the tank body is higher than the bottom of the vertical plate of the L-type plate washer；The water outlet of the tank body
Lower than the bottom of the transverse plate of the L-type plate washer.
As a kind of further technical solution, the filtering tank, upper body, be provided at the top of lower case it is floating
Dynamic oil suction structure.
By adopting the above technical scheme, the invention has the following beneficial effects:
Oil-contained waste water treatment device provided by the invention is realized by the filtering tank and oily-water seperating equipment of unique design
The firsts and seconds of water-oil separating is handled respectively, moreover, it is also possible in filtering tank and oily-water seperating equipment filtrate is loaded,
Such as charcoal, float stone, the device are mainly used in African certain areas, and this area's economic condition, industrial sector fall behind, using working as
Ground charcoal cheap and easy to get, medium of the float stone as water-oil separating, being capable of cost-effective processing oily wastewater.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of oil-contained waste water treatment device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of oil separator shown in FIG. 1；
Fig. 3 is the structural schematic diagram of filtering tank shown in FIG. 1；
Fig. 4 is the structural schematic diagram of oily-water seperating equipment shown in FIG. 1.
Icon: 1- oil separator；2- fixed mechanism；3- hollow float mechanism；4- floating drum；5- splash pan；The center 6- rope；7-
Balance weight mechanism；The periphery 8- rope；9- fuel sucking pipe；10- oil scavenge pump；11- tank body；The first filter layer of 12-；The second filter layer of 13-；
14- third filter layer；The 4th filter layer of 15-；16-L type plate washer；17- upper body；18- hydrocyclone separation structure；The top 19- gear
Plate；20- flow-guiding channel；21- floating oil suction structure；22- under shield；23- cylinder reticular structure；24- lower case.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Embodiment one
In conjunction with shown in Fig. 1 to Fig. 4, the present embodiment one provides a kind of oil-contained waste water treatment device comprising: oil separator 1 is inhaled
Oily device, filtering tank and oily-water seperating equipment；
Wherein, one end of the Oil sucking device is connect with the oil separator 1, and the other end of the Oil sucking device passes through oil suction
Pipe 9 connect (oil scavenge pump 10 can be set in filtering tank) with oil scavenge pump 10；
Wherein, the filtering tank includes: tank body 11, the first filter layer 12, the second filter layer 13, third filter layer 14,
Four filter layers 15 and mounting base；The tank body 11 is set in the mounting base (preferably, the concrete form of mounting base not office
Limit, such as: mounting base can be lifting pedestal, with facilitate adjust tank body 11 height), the top of the tank body 11 be provided with into
The mouth of a river, the lower part of the tank body 11 are provided with water outlet, and the oil scavenge pump 10 is used to the grease of oil separator 1 being pumped to the tank
The water inlet of body 11；First filter layer 12, the second filter layer 13, third filter layer 14, the 4th filter layer 15 are from top to bottom
It is set in turn in the middle part of the tank body 11, certainly, the quantity of filter layer can be with flexible setting.
Wherein, the oily-water seperating equipment includes: upper body 17, lower case 24, hydrocyclone separation structure 18, top gear
Plate 19, under shield 22, cylinder reticular structure 23；24 integrally connected of the upper body 17 and lower case.The upper case
The top of body 17 has water inlet (oil scavenge pump 10 can be set in the position), and the bottom of the upper body 17 has water outlet
Mouthful, the upper guard-plate 19 is lifted on the upper body 17, and the upper body 17 is divided into one by the upper guard-plate 19
Top water-oil separating space and a top water space, the hydrocyclone separation structure 18 are set to the grease of the upper body 17
Separated space；The bottom of the lower case 24 have inlet and outlet, the water inlet of the lower case 24 with it is described
The water outlet of upper body 17 connects, and the water inlet of the lower case 24 is connect with the inside of cylinder reticular structure 23, described
The water outlet of lower case 24 is set on the side wall of the lower case 24, and the under shield 22 is by the lower case 24
It is divided into a lower part water-oil separating space and lower part water space, the water outlet of the filtering tank is higher than the lower case 24
Water outlet, separation and purification for guaranteeing to realize grease between filtering tank and oily-water seperating equipment by gravity.
In the present embodiment, it is preferable that the hydrocyclone separation structure 18 include: inverted cone (hyperbola rotation body structure) and
Flow-guiding channel 20 (is connected smoothly between flow-guiding channel 20 and inverted cone bottom by convex arc)；The inverted cone setting
In top water-oil separating space, the inner surface of the inverted cone helically curved surface, the upper end of the inverted cone with it is upper
The water inlet of portion's shell 17 connects；The flow-guiding channel 20 is located at the bottom of the inverted cone, and the flow-guiding channel 20 is in
Skewed distribution, the flow-guiding channel 20 are connect with the water outlet of the upper body 17.Preferably, the inside of inverted cone is empty
Between can have oleophilic drainage net, grease enters top water-oil separating space, the water in top water-oil separating space with certain flow velocity
Body forms the water-oil separating body rotated clockwise with certain speed, can accelerate the mutual collision coalescence of Oil in Sewage Water intergranular,
The elaioleucite being relatively large in diameter is formed, the floating of oil droplet is accelerated to separate；Meanwhile multi-panel cone shape is provided in water-oil separating space
Oleophilic drainage net frequently passes through mesh in water body rotary course, and tiny elaioleucite is captured by super oleophylic nethike embrane, oil droplet grain on dictyosome
Diameter constantly increases, and when the sum of buoyancy and rotary shear suffered by the oil droplet are greater than the adhesion strength suffered by it, elaioleucite takes off from nethike embrane
From separation of floating.
In the present embodiment, it is preferable that the upper guard-plate 19 is lifted on the top of the upper body 17, and the top
The bottom end of baffle 19 is located at the lower section of the water outlet of the upper body 17, has the function of oil removal.
As a kind of further technical solution, the cylinder reticular structure 23 is the netted knot of cylinder with interlayer space
Structure 23；Float stone or active carbon are provided in the interlayer space of the cylinder reticular structure 23.
As a kind of further technical solution, the under shield 22 is lifted on the top of the lower case 24, and
The bottom end of the under shield 22 is located at the lower section of the water outlet of the lower case 24.
As a kind of further technical solution, first filter layer 12, the second filter layer 13, third filter layer 14,
4th filter layer 15 is respectively the reticular structure with interlayer space.
As a kind of further technical solution, first filter layer 12, the second filter layer 13, third filter layer 14,
At least one is filled with float stone in 4th filter layer 15.Alternatively, as a kind of further technical solution, first filtering
The 12, second filter layer 13 of layer, third filter layer 14, at least one is filled with active carbon in the 4th filter layer 15.Using locality
The medium of charcoal, float stone cheap and easy to get as water-oil separating, being capable of cost-effective processing oily wastewater.
Preferably, first filter layer 12, the second filter layer 13, third filter layer 14, the 4th filter layer 15 divide respectively
It concave-convex Cheng not be arranged, increase filter area.
As a kind of further technical solution, the filtering tank further include: L-type plate washer 16；The L-type plate washer 16 connects
In on the inner wall of the tank body 11；The water outlet of the tank body 11 is higher than the bottom of the vertical plate of the L-type plate washer 16；The tank
The water outlet of body 11 has the function of oil removal lower than the bottom of the transverse plate of the L-type plate washer 16.
As a kind of further technical solution, the filtering tank, upper body 17, lower case 24 top be respectively provided with
There is floating oil suction structure 21.Such as: floating oil suction structure 21 may include floating sphere, be provided with oil suction on floating sphere
Mouthful, inlet port can also connect pumping equipment by hose.
It is worth noting that the arrow direction of the water flow process of the present embodiment referring to Fig.1, is understood with facilitating.
To sum up, oil-contained waste water treatment device provided by the invention, by the filtering tank and oily-water seperating equipment of unique design,
The firsts and seconds processing for realizing respectively water-oil separating, moreover, it is also possible to be loaded in filtering tank and oily-water seperating equipment
Filtrate, such as charcoal, float stone, the device are mainly used in African certain areas, and this area's economic condition, industrial sector fall behind,
Medium using local charcoal, float stone cheap and easy to get as water-oil separating, being capable of cost-effective processing oily wastewater.
Embodiment two
The present embodiment two also provides a kind of Oil sucking device on the basis of above-described embodiment one.
As shown in connection with fig. 2, the Oil sucking device includes: oil scavenge pump 10, splash pan 5, hollow float mechanism 3, balance weight mechanism 7
With fixed mechanism 2；Floating drum 4 (three floating drums 4 provide buoyancy jointly for splash pan 5) there are three settings around the splash pan 5,
The floating drum 4 floats on the splash pan 5 on the grease liquid level of oil separator 1, and the splash pan 5 is provided with several in its bottom
Inlet port；The balance weight mechanism 7 is connect with the bottom centre position of the splash pan 5 (for keeping by a center rope 6
The stability of splash pan 5), the hollow float mechanism 3 is movably threaded onto the center rope 6, and floats on the oil removal
In the middle part of the grease in pond 1, the edge of the hollow float mechanism 3 is connect with fixed mechanism 2 respectively by three peripheral ropes 8, institute
State the bottom that fixed mechanism 2 is set to the oil separator 1；The oil scavenge pump 10 is connect by fuel sucking pipe 9 with several inlet ports.
In the present embodiment, it is preferable that 5 outer peripheral three floating drums 4 of the splash pan divide equally position along the circumference of splash pan 5
Distribution.
In the present embodiment, it is preferable that the hollow float mechanism 3 is flat-shaped cylindrical structure, and the hollow float mechanism 3 is set
Be equipped with the centre bore for passing through for center rope 6, the hollow float mechanism 3 along its circumference divide equally position be respectively arranged with
The fixed connection ring of three peripheral ropes 8.
In the present embodiment, it is preferable that the balance weight mechanism 7 is counterweight sphere.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of oil-contained waste water treatment device characterized by comprising
Oil separator；
Oil sucking device, one end of the Oil sucking device are connect with the oil separator, and the other end of the Oil sucking device passes through oil suction
Pipe is connect with oil scavenge pump；
Filtering tank, the filtering tank include: tank body, the first filter layer, the second filter layer, third filter layer, the 4th filter layer and
Mounting base；The tank body is set in the mounting base, and the top of the tank body is provided with water inlet, and the lower part of the tank body is set
It is equipped with water outlet, the oil scavenge pump is used to for the grease of oil separator being pumped to the water inlet of the tank body；First filter layer,
Second filter layer, third filter layer, the 4th filter layer are set in turn in the middle part of the tank body from top to bottom；
Oily-water seperating equipment, the oily-water seperating equipment include: upper body, lower case, hydrocyclone separation structure, top gear
Plate, under shield, cylinder reticular structure；The top of the upper body has water inlet, and the bottom of the upper body has
Water outlet, the upper guard-plate are lifted on the upper body, and the upper body is divided into a top by the upper guard-plate
Water-oil separating space and a top water space, the water-oil separating that the hydrocyclone separation structure is set to the upper body are empty
Between；The bottom of the lower case has inlet and outlet, the water inlet of the lower case and the upper body
Water outlet connection, the water inlet of the lower case are connect with the inside of cylinder reticular structure, the water outlet of the lower case
It is set on the side wall of the lower case, the lower case is divided into a lower part water-oil separating space by the under shield
With lower part water space, the water outlet of the filtering tank is higher than the water outlet of the lower case.
2. oil-contained waste water treatment device according to claim 1, which is characterized in that the hydrocyclone separation structure includes: down
Cone and flow-guiding channel；
The inverted cone is set to top water-oil separating space, the inner surface of the inverted cone helically curved surface, institute
The water inlet of the upper end and upper body of stating inverted cone connects；
The flow-guiding channel is located at the bottom of the inverted cone, and the flow-guiding channel is obliquely distributed, and the water conservancy diversion is logical
Road is connect with the water outlet of the upper body.
3. oil-contained waste water treatment device according to claim 2, which is characterized in that the upper guard-plate is lifted on described
The top of portion's shell, and the bottom end of the upper guard-plate is located at the lower section of the water outlet of the upper body.
4. oil-contained waste water treatment device according to claim 2, which is characterized in that the cylinder reticular structure is with folder
The cylinder reticular structure of sheaf space；Float stone or active carbon are provided in the interlayer space of the cylinder reticular structure.
5. oil-contained waste water treatment device according to claim 2, which is characterized in that the under shield be lifted on it is described under
The top of portion's shell, and the bottom end of the under shield is located at the lower section of the water outlet of the lower case.
6. the oil-contained waste water treatment device according to any one of claim 2-4, which is characterized in that first filtering
Layer, the second filter layer, third filter layer, the 4th filter layer are respectively the reticular structure with interlayer space.
7. oil-contained waste water treatment device according to claim 6, which is characterized in that first filter layer, the second filtering
At least one is filled with float stone in layer, third filter layer, the 4th filter layer.
8. oil-contained waste water treatment device according to claim 6, which is characterized in that first filter layer, the second filtering
At least one is filled with active carbon in layer, third filter layer, the 4th filter layer.
9. oil-contained waste water treatment device according to claim 6, which is characterized in that the filtering tank further include: L-type shelves
Plate；
The L-type plate washer is connected on the inner wall of the tank body；
The water outlet of the tank body is higher than the bottom of the vertical plate of the L-type plate washer；
Bottom of the water outlet of the tank body lower than the transverse plate of the L-type plate washer.
10. oil-contained waste water treatment device according to claim 1, which is characterized in that the filtering tank, upper body, under
Floating oil suction structure is provided at the top of portion's shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541401.0A CN110182897A (en) | 2019-06-21 | 2019-06-21 | Oil-contained waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910541401.0A CN110182897A (en) | 2019-06-21 | 2019-06-21 | Oil-contained waste water treatment device |
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| Publication Number | Publication Date |
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| CN110182897A true CN110182897A (en) | 2019-08-30 |
Family
ID=67722826
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910541401.0A Pending CN110182897A (en) | 2019-06-21 | 2019-06-21 | Oil-contained waste water treatment device |
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