CN108689511A - A kind of vertical vortex type graphene oil-contained waste water treatment device - Google Patents
A kind of vertical vortex type graphene oil-contained waste water treatment device Download PDFInfo
- Publication number
- CN108689511A CN108689511A CN201810866275.1A CN201810866275A CN108689511A CN 108689511 A CN108689511 A CN 108689511A CN 201810866275 A CN201810866275 A CN 201810866275A CN 108689511 A CN108689511 A CN 108689511A
- Authority
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- Prior art keywords
- oil
- tank body
- cylinder
- rose box
- waste water
- 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.)
- Pending
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 26
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- 241000220317 Rosa Species 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 abstract description 20
- 239000003921 oil Substances 0.000 description 37
- 239000000463 material Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000605 extraction Methods 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000020234 walnut Nutrition 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to technical field of sewage, especially a kind of vertical vortex type graphene oil-contained waste water treatment device, including tank body and Rose Box, the bottom of the Rose Box and tank body is supported commonly through supporting rack, and the bottom of the tank body is connected with drainpipe, it is communicated with inlet tube at the top of the Rose Box, the Rose Box inner horizontal is connected with filter screen, the top of the filter screen is equipped with clearing apparatus, the Rose Box lower horizontal is communicated with drain pipe, the drain pipe is extended to through tank body inside it, and the tank body is internally provided with separator.The configuration of the present invention is simple, it is easy to operate, and oil removal efficiency is high, floor space is small, anti-pollution ability is strong, influent quality requires that extensively, oilfield sewage operating mode can be well adapted for.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of vertical vortex type graphene oily waste water treatment to fill
It sets.
Background technology
With the diversification of oil reservoir development mode, the continuous application of oil recovery new technology, the continuous improvement of recovery percent of reserves causes
Produced Liquid becomes increasingly complex, and recovered water is more and more, and intractability increases, conventional sewage " two-stage oil removing+double-filtration " technique
Flow adaptability need to further increase.There are oil removal efficiencies for common gravity oil-removing facility in oil-containing sewage treatment system at present
Low, the problems such as taking up a large area.Common filter plant has walnut shell filter, silicon carbide filter, Double-filter material filter, more
Medium filter etc., but these filter inflow requirements are high, and easily dirt is stifled for filtering material, backwash and regeneration effect is poor, contamination resistance
Difference, filter material replacement is frequent, and a whole set of processing system held stationary trouble-free operation difficulty is larger.Graphene is the two of a kind of monoatomic layer
Carbon material is tieed up, hexagonal honeycomb structure possesses strong absorption property, superior electron mobility, high mechanical properties and high-ratio surface
The characteristics such as product.Based on the performance that graphene is excellent, hydrophilic and oleophobic characteristic can be made it have by modification, modified graphene is used
Special process and nethike embrane base material are compound, and membrane material wettability of the surface can be changed, effectively improve the water-oil separating performance of membrane material,
Water can be quickly through crude oil and suspended solid particles then not easily pass through.Graphene film is at municipal wastewater processing, urban river water
The fields extensive uses such as reason, chemical plant sewage disposal.
Invention content
The purpose of the present invention is to solve exist in the prior art oil removal efficiency is low, take up a large area the shortcomings that, and carry
A kind of vertical vortex type graphene oil-contained waste water treatment device gone out.
To achieve the goals above, present invention employs following technical solutions:
Design a kind of vertical vortex type graphene oil-contained waste water treatment device, including tank body and Rose Box, the Rose Box and tank
The bottom of body is supported commonly through supporting rack, and the bottom of the tank body is connected with drainpipe, the top connection of the Rose Box
There are inlet tube, the Rose Box inner horizontal to be connected with filter screen, the top of the filter screen is equipped with clearing apparatus, the filtering
Case lower horizontal is communicated with drain pipe, and the drain pipe is extended to through tank body inside it, and the tank body is internally provided with separation
Device, the separator include the second motor for being fixedly mounted on top of the tank, vertical on the output shaft of second motor
It is connected with rotary shaft, described rotary shaft one end is through tank body and end is along the circumferential direction equidistant is connected with more connecting rods, more
The one end of connecting rod described in root far from rotary shaft is connected with cylinder jointly, and the drain pipe is located at the top of cylinder, and institute
It states and is uniformly provided with several through-holes on the barrel of cylinder, and the cylinder top is connected with second baffle, described second
Baffle is located inside cylinder, and annular offers oil scupper, the oil scupper on the inner wall of cylinder below the second baffle
The equidistant horizontal connection in outside of corresponding position cylinder has multiple first oil exit pipes, multiple first oil exit pipes with detach
Cylinder is internal to be connected to, and annular is connected with oil trap on the inner wall of tank body below first oil exit pipe, and the bottom of the oil trap connects
It is connected to the second oil exit pipe, second oil exit pipe extends to outside, and the cylinder inner wall below the oil scupper through tank body
On be equipped with graphene-based nethike embrane, multiple sliding equipments are connected between the cylinder and tank body.
Preferably, the clearing apparatus includes the horizontal gag lever post being fixedly connected on inside Rose Box, under the gag lever post
Side, which horizontally rotates, is connected with screw rod, and one end of the screw rod runs through Rose Box and end is connected with first motor, and the limit
It is arranged with slide plate jointly on bar and screw rod, is connected through a screw thread between the slide plate and screw rod, the top both ends of the slide plate are equal
It is equipped with T-bar vertically, two T-bars run through slide plate and end is connected with cleaning brush, the cleaning brush and filtering jointly
Net top is in contact, and spring is arranged on the T-bar between the cleaning brush and slide plate.
Preferably, it is connected with first baffle on the inner wall of the filtering sieve bottom Rose Box, the first baffle is inclined
Shape is arranged.
Preferably, the sliding equipment includes the sliding rail being fixedly connected in inner tank wall, the sliding rail internal slide peace
Equipped with pulley, the pulley rotation is connected on fixed block, and the fixed block is connected horizontally in fixed ring, and the fixed ring is solid
Surely it is socketed in the outside of cylinder.
Preferably, the exterior annular of the pulley offers limiting slot, symmetrical on the sliding rail of the limiting slot corresponding position
There are two spacing block set, two spacing block sets to be respectively positioned on inside limiting slot for installation.
Preferably, control valve is installed on the drainpipe.
Preferably, the angle between the second baffle and cylinder is A, 30o<A<40º.
Preferably, rectangular aperture is offered at the top of the Rose Box, sealing cover is fitted with inside the rectangular aperture.
A kind of vertical vortex type graphene oil-contained waste water treatment device proposed by the present invention, advantageous effect are:Passed through
Strainer separates dirt larger in sewage to be filtered the sewage being pumped by inlet tube, is filled by cleaning
It sets, so as to avoid dirt from blocking the mesh of filter screen, by drain pipe, to extremely detach filtered sewage transport
It is detached inside device.The configuration of the present invention is simple, it is easy to operate, and oil removal efficiency is high, floor space is small, anti-pollution energy
Power is strong, influent quality requires that extensively, oilfield sewage operating mode can be well adapted for.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of vertical vortex type graphene oil-contained waste water treatment device proposed by the present invention;
Fig. 2 is a kind of cylinder plan structure signal of vertical vortex type graphene oil-contained waste water treatment device proposed by the present invention
Figure;
Fig. 3 is enlarged structure schematic diagram at A in Fig. 1;
Fig. 4 is enlarged structure schematic diagram at B in Fig. 1;
Fig. 5 is enlarged structure schematic diagram at C in Fig. 1.
In figure:Supporting rack 1, tank body 2, Rose Box 3, first motor 4, sealing cover 5, gag lever post 6, screw rod 7, inlet tube 8,
One baffle 9, drain pipe 10, the second motor 11, rotary shaft 12, cylinder 13, the first oil exit pipe 14, oil trap 15, the second oil extraction
Pipe 16, through-hole 17, graphene-based nethike embrane 18, sliding rail 19, oil scupper 20, drainpipe 21, control valve 22, connecting rod 23, second gear
Plate 24, T-bar 26, slide plate 27, spring 28, cleaning brush 29, filter screen 30, pulley 31, spacing block set 32, is consolidated rectangular aperture 25
Determine block 33, fixed ring 34, limiting slot 35.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of vertical vortex type graphene oil-contained waste water treatment device, including tank body 2 and Rose Box 3, mistake
The bottom of filter box 3 and tank body 2 is supported commonly through supporting rack 1, and the bottom of tank body 2 is connected with drainpipe 21, on drainpipe 21
Control valve 22 is installed, the top of Rose Box 3 is communicated with inlet tube 8, and 3 top of Rose Box offers rectangular aperture 25, and rectangle is opened
Sealing cover 5 is fitted with inside mouth 25,3 inner horizontal of Rose Box is connected with filter screen 30, and the top of filter screen 30 is equipped with to clean and fill
It sets, clearing apparatus includes the horizontal gag lever post 6 being fixedly connected on inside Rose Box 3, and 6 lower horizontal of gag lever post is rotatably connected to spiral shell
One end of bar 7, screw rod 7 runs through Rose Box 3 and end is connected with first motor 4, and gag lever post 6 is arranged with jointly on screw rod 7
Slide plate 27 is connected through a screw thread between slide plate 27 and screw rod 7, and the top both ends of slide plate 27 are equipped with T-bar 26, two T vertically
Type bar 26 runs through slide plate 27 and end is connected with cleaning brush 29 jointly, and cleaning brush 29 is in contact with 30 top of filter screen, clear
It is arranged with spring 28 on T-bar 26 between brush 29 and slide plate 27, is connected on the inner wall of 30 bottom Rose Box 3 of filter screen
First baffle 9, first baffle 9 are obliquely arranged;By filter screen 30, carried out to which the sewage that inlet tube 8 is pumped into will be passed through
Filtering, dirt larger in sewage is separated, by starting first motor 4, to which screw rod 7 drives slide plate 27 in gag lever post
It is moved on 6, by spring 28, to push cleaning brush 29 to be contacted always with 30 surface of filter screen, in the process that slide plate 27 moves
In, to which cleaning brush 29 can clean the dirt on filter screen 30, avoids dirt from blocking the mesh of filter screen, pass through square
Shape opening 25, so as to carry out periodic cleaning to the dirt on filter screen, by first baffle 9, so as to accelerate sewage
Mass rate of emission.
3 lower horizontal of Rose Box is communicated with drain pipe 10, and drain pipe 10 is extended to through tank body 2 inside it, tank body 2 it is interior
Portion is equipped with separator, and separator includes the second motor 11 for being fixedly mounted on 2 top of tank body, the output shaft of the second motor 11
On be connected with rotary shaft 12 vertically, 12 one end of rotary shaft is through tank body 2 and end is along the circumferential direction equidistant is connected with more companies
Extension bar 23, the more one end of connecting rod 23 far from rotary shaft 12 are connected with cylinder 13 jointly, and drain pipe 10 is located at cylinder 13
Top, and several through-holes 17 are uniformly provided on the barrel of cylinder 13, and 13 top of cylinder is connected with second baffle
24, second baffle 24 is located inside cylinder 13, and the angle between second baffle 24 and cylinder 13 is A, 30o<A<40o, the
Annular offers oil scupper 20, the outside of 20 corresponding position cylinder 13 of oil scupper on the inner wall of two baffles, 24 lower section cylinder 13
Equidistant horizontal connection has multiple first oil exit pipes 14, multiple first oil exit pipes 14 to be connected to 13 inside of cylinder, first row
Annular is connected with oil trap 15 on the inner wall of 14 lower section tank body 2 of oil pipe, and the bottom of oil trap 15 is connected with the second oil exit pipe 16, the
Two oil exit pipes 16 extend to outside through tank body 2, and are equipped with graphene-based net on 13 inner wall of cylinder of 20 lower section of oil scupper
Film 18 is connected with multiple sliding equipments between cylinder 13 and tank body 2;By drain pipe 10, thus by filtered sewage
It is delivered to inside cylinder 13, by starting the second motor 11, to which rotary shaft 12 drives cylinder 13 to revolve by connecting rod 23
Turn, the sewage of its inside is centrifuged, since the density of the density ratio water of Oil in Sewage Water dirt is small, in the mistake of centrifugation
Cheng Zhong, greasy dirt can be mobile to 13 top of cylinder, to be discharged into inside oil trap 15 by oil scupper 20 and the first oil exit pipe 14,
It is excluded using the second oil exit pipe 16, by graphene-based nethike embrane 18, so as to will be in 13 inside sewage of cylinder
Greasy dirt stop and filter away water, is excluded by drainpipe 21.
Sliding equipment includes the sliding rail 19 being fixedly connected on 2 inner wall of tank body, and 19 internal slide of sliding rail is equipped with pulley 31,
Pulley 31 is rotatably connected on fixed block 33, and fixed block 33 is connected horizontally in fixed ring 34, and fixed ring 34 is fixedly attached to point
The exterior annular in the outside from cylinder 13, pulley 31 offers limiting slot 35, symmetrically pacifies on the sliding rail 19 of 35 corresponding position of limiting slot
There are two spacing block set 32, two spacing block sets 32 to be respectively positioned on inside limiting slot 35 for dress;During cylinder 13 rotates, together
When drive fixed ring 34 and fixed block 33 to rotate, to, in 19 internal slide of sliding rail, effectively improve separation with movable pulley 31
Stability in 13 rotation processes of cylinder, by limiting slot 35 and spacing block set 32, so as to avoid pulley 31 out of sliding rail 19
Portion is backing out.
Embodiment:By filter screen 30, be filtered to which the sewage that inlet tube 8 be pumped into will be passed through, by sewage compared with
Big dirt is separated, and passes through drain pipe by clearing apparatus so as to avoid dirt from blocking the mesh of filter screen 30
10, to be detached inside filtered sewage transport to separator.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of vertical vortex type graphene oil-contained waste water treatment device, including tank body(2)And Rose Box(3), the Rose Box
(3)And tank body(2)Bottom commonly through supporting rack(1)Support, and the tank body(2)Bottom be connected with drainpipe(21),
It is characterized in that, the Rose Box(3)Top be communicated with inlet tube(8), the Rose Box(3)Inner horizontal is connected with filtering
Net(30), the filter screen(30)Top be equipped with clearing apparatus, the Rose Box(3)Lower horizontal is communicated with drain pipe
(10), the drain pipe(10)Through tank body(2)It extends to inside it, the tank body(2)Be internally provided with separator, it is described
Separator includes being fixedly mounted on tank body(2)Second motor at top(11), second motor(11)Output shaft on erect
It is direct-connected to be connected to rotary shaft(12), the rotary shaft(12)Tank body is run through in one end(2)And end is along the circumferential direction equidistant is connected with
More connecting rods(23), the more connecting rods(23)Far from rotary shaft(12)One end be connected with cylinder jointly(13), institute
State drain pipe(10)Positioned at cylinder(13)Top, and the cylinder(13)Barrel on be uniformly provided with several through-holes
(17), and the cylinder(13)Top is connected with second baffle(24), the second baffle(24)Positioned at cylinder(13)It is interior
Portion, the second baffle(24)Lower section cylinder(13)Inner wall on annular offer oil scupper(20), the oil scupper(20)
Corresponding position cylinder(13)The equidistant horizontal connection in outside have multiple first oil exit pipes(14), multiple first oil exit pipes
(14)And cylinder(13)Inside connection, first oil exit pipe(14)Lower section tank body(2)Inner wall on annular be connected with collection
Oil groove(15), the oil trap(15)Bottom be connected with the second oil exit pipe(16), second oil exit pipe(16)Through tank body
(2)Extend to outside, and the oil scupper(20)The cylinder of lower section(13)Graphene-based nethike embrane is equipped on inner wall(18),
The cylinder(13)With tank body(2)Between be connected with multiple sliding equipments.
2. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Clearing apparatus includes that level is fixedly connected on Rose Box(3)Internal gag lever post(6), the gag lever post(6)Lower horizontal rotates
It is connected with screw rod(7), the screw rod(7)One end run through Rose Box(3)And end is connected with first motor(4), and the limit
Position bar(6)With screw rod(7)On be arranged with slide plate jointly(27), the slide plate(27)With screw rod(7)Between be connected through a screw thread, institute
State slide plate(27)Top both ends vertically be equipped with T-bar(26), two T-bars(26)Run through slide plate(27)And end
It is connected with cleaning brush jointly(29), the cleaning brush(29)With filter screen(30)Top is in contact, in the cleaning brush(29)With
Slide plate(27)Between T-bar(26)On be arranged with spring(28).
3. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Filter screen(30)Bottom Rose Box(3)Inner wall on be connected with first baffle(9), the first baffle(9)Oblique setting.
4. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Sliding equipment includes being fixedly connected on tank body(2)Sliding rail on inner wall(19), the sliding rail(19)Internal slide is equipped with pulley
(31), the pulley(31)It is rotatably connected on fixed block(33)On, the fixed block(33)It is connected horizontally on fixed ring(34)On,
The fixed ring(34)It is fixedly attached to cylinder(13)Outside.
5. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 4, which is characterized in that described
Pulley(31)Exterior annular offer limiting slot(35), the limiting slot(35)The sliding rail of corresponding position(19)On be symmetrically installed
There are two spacing block sets(32), two spacing block sets(32)It is respectively positioned on limiting slot(35)It is internal.
6. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Drainpipe(21)On control valve is installed(22).
7. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Second baffle(24)With cylinder(13)Between angle be A, 30o<A<40º.
8. a kind of vertical vortex type graphene oil-contained waste water treatment device according to claim 1, which is characterized in that described
Rose Box(3)Top offers rectangular aperture(25), the rectangular aperture(25)Inside is fitted with sealing cover(5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866275.1A CN108689511A (en) | 2018-08-01 | 2018-08-01 | A kind of vertical vortex type graphene oil-contained waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866275.1A CN108689511A (en) | 2018-08-01 | 2018-08-01 | A kind of vertical vortex type graphene oil-contained waste water treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN108689511A true CN108689511A (en) | 2018-10-23 |
Family
ID=63851789
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810866275.1A Pending CN108689511A (en) | 2018-08-01 | 2018-08-01 | A kind of vertical vortex type graphene oil-contained waste water treatment device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499181A (en) * | 2019-01-04 | 2019-03-22 | 江西省赣抚平原水利工程管理局(江西省灌溉试验中心站) | Rural area dispersed miniature Pig farm wastewater processing unit |
| CN109704513A (en) * | 2019-01-18 | 2019-05-03 | 福建省蓝深环保技术股份有限公司 | A kind of food and drink waste water processing complete set of equipments |
| CN110451670A (en) * | 2019-08-09 | 2019-11-15 | 王瑞 | A kind of building industry sewage pre-treatment device |
| CN112495599A (en) * | 2020-11-11 | 2021-03-16 | 天长市高朋实验设备有限公司 | Centrifugal separation device applied to laboratory |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499181A (en) * | 2019-01-04 | 2019-03-22 | 江西省赣抚平原水利工程管理局(江西省灌溉试验中心站) | Rural area dispersed miniature Pig farm wastewater processing unit |
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| CN112495599A (en) * | 2020-11-11 | 2021-03-16 | 天长市高朋实验设备有限公司 | Centrifugal separation device applied to laboratory |
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Application publication date: 20181023 |
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| WD01 | Invention patent application deemed withdrawn after publication |