CN108187386A - Suspended matter filtering tank in a kind of online water - Google Patents
Suspended matter filtering tank in a kind of online water Download PDFInfo
- Publication number
- CN108187386A CN108187386A CN201810100188.5A CN201810100188A CN108187386A CN 108187386 A CN108187386 A CN 108187386A CN 201810100188 A CN201810100188 A CN 201810100188A CN 108187386 A CN108187386 A CN 108187386A
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- CN
- China
- Prior art keywords
- suction nozzle
- shaft
- internal gear
- suspended matter
- tank
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 235000014347 soups Nutrition 0.000 claims abstract description 23
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 9
- 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 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention provides suspended matter filtering tank in a kind of online water, and including being provided with water inlet, discharge outlet and the tank body of sewage draining exit, upper cover lower end is provided with hollow blowdown shaft；The side wall of blowdown shaft is provided with hollow soup stick；Soup stick one end is provided with the suction nozzle being in contact with strainer, and suction nozzle one end is provided with opening, and the madial wall setting bearing of suction nozzle, suction nozzle is interior through bearing rotation setting first rotating shaft, and first rotating shaft one end setting rotary blade, the other end is provided with gear；Suction nozzle is provided with two-sided internal gear in openend, the lateral wall setting tooth socket of two-sided internal gear, the tooth socket of two-sided internal gear is meshed with gear, mirror image is symmetrical arranged two pinion gears being meshed respectively with two-sided internal gear in two-sided internal gear, the second shaft of rotation setting between pinion gear and the side of suction nozzle openend；Setting hairbrush on the outside of second shaft.The filtering of the present invention does not need to driving device, and structure is simpler, and the course of work is without energy consumption.
Description
Technical field
The invention belongs to sewage treatment field, more particularly to suspended matter filtering tank in a kind of online water.
Background technology
China region is wide, populous, but water resource is very limited, and due to society industrialization life-stylize, perhaps
More water resources are by artificial pollution.As the development of society is increasing to the demand of water resource, how by rainwater, river water, print
The various sewage such as dyeing mill wastewater are adequately recycled and are had been to be concerned by more and more people.Since environment is contaminated, lead to rain
Indices in water, river water also can be exceeded, do not meet it is every using standard, so these water resources needs are filtered etc.
Ability recoverable after reason.
At this stage there are also available for the filter of suspended matter in drainage, such as Patent No. ZL200710157113.2
Chinese invention patent patent《A kind of filter that can remove suspended matter in water removal》Disclose a kind of tank filter.The filtering
The strainer that device is equipped with the tank body of sewage draining exit and is arranged in tank body including the water inlet at top, the water outlet of lower part, bottom, is also wrapped
A driving device being arranged at the top of the tank body and the blowdown shaft being connected with driving device output terminal transmission are included,
The blowdown shaft is perpendicularly inserted into the middle position in the tank body, also, the blowdown shaft has center through hole, center through hole
Bottom end be then connected with the sewage draining exit；The strainer is cylindrical in shape and is distributed centered on the blowdown shaft；Moreover,
On the side wall of the blowdown shaft, the position of the corresponding strainer, it is disposed with more hollow soup sticks, every suction from top to bottom
The root opening of bar is connected with the center through hole of the blowdown shaft, and the head of every soup stick is then provided with and the strainer phase
The suction nozzle of contact.Wherein, the driving device, blowdown shaft, soup stick and suction nozzle just constitute one to exclude on strainer
The blowdown apparatus of dirt.When blowdown apparatus starts, the sewage draining exit of tank base is opened, and the driving device drives blowdown shaft
Rotation, makes the soup stick being distributed in blowdown shaft and suction nozzle turn-take along strainer, in this way, because of hydraulic pressure and sewage draining exit in tank body
There are certain pressure differences for the hydraulic pressure at place, and flow meeting nature is entered from suction nozzle in blowdown shaft, and the suction nozzle on soup stick head is because of contact
Strainer, flow will impact the dirt on strainer, then these dirts are brought into suction nozzle naturally, be mixed with the flow meeting of dirt
Dropped into along soup stick in blowdown shaft, then the bottom end by blowdown shaft, sewage draining exit and discharge outside the tank.
But above-mentioned filter there are it is many defects of, need set driving device, pass through the blowdown of motor electric drive turn
Shaft rotation is moved, complicated, and work energy consumption is larger.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides suspended matter filtering tank in a kind of online water, solves the prior art
Filtration device structure it is complicated, the technical issues of work energy consumption is larger.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：
Suspended matter filtering tank in a kind of online water is included in the tank body that two ends portion is respectively arranged with upper cover and tank bottom, institute
The lower part for stating tank body is additionally provided with discharge outlet；The upper cover is provided with water inlet, and the tank bottom is provided with sewage draining exit, the blowdown
Mouthful front position be provided with solenoid valve, the middle position rotation in the tank body is provided with the blowdown connected with the sewage draining exit
Shaft；
The tank interior is cylindrical in shape centered on the blowdown shaft and strainer is distributed with, and the side wall of the blowdown shaft exists
The position of the corresponding strainer is provided with hollow soup stick；The one end of the soup stick is connected with the blowdown shaft, the other end
Portion is provided with the suction nozzle being in contact with the strainer；
The one end of the suction nozzle is connected with the soup stick, and the other end is provided with opening, the madial wall of the suction nozzle
Bearing is provided with, is open in the suction nozzle through bearing rotation setting first rotating shaft, the first rotating shaft far from suction nozzle
End set have a rotary blade, the first rotating shaft has gear in the end set close to suction nozzle opening；
The suction nozzle is provided with two-sided internal gear in openend, and a lateral wall of the two-sided internal gear is provided with tooth socket,
The tooth socket of the two-sided internal gear is meshed with gear, in the two-sided internal gear mirror image be symmetrically arranged with two respectively with it is two-sided
Rotation is provided with the second shaft between the side of the pinion gear that internal gear is meshed, the pinion gear and suction nozzle openend；
Hairbrush is provided on the outside of second shaft.
Preferably, the first strut is set between the two side of suction nozzle openend, and the two-sided internal gear is arranged on described
On one strut.
Preferably, the both sides of the suction nozzle openend are both provided with the second strut, and second shaft is rotatably arranged on
On two struts.
Preferably, the suction nozzle openend is provided with third strut in the both sides of two-sided internal gear, and second shaft turns
It is dynamic to be arranged on third strut.
Preferably, the tank bottom is additionally provided with scale removing mouth.
Preferably, the soup stick is disposed on the side wall of the blowdown shaft.
Preferably, the tank interior is provided with filter cylinder, and the strainer is laid on the inside of the filter cylinder.
Preferably, the tank bottom bottom is provided with pedestal.
Preferably, the water inlet is provided with water inlet pressure gauge, is provided with discharge outlet pressure gauge in discharge outlet, it is described into
Mouth of a river pressure gauge and the discharge outlet pressure gauge, are connected with pressure difference controller, and the pressure difference controller controls the electromagnetism
Valve.
(3) advantageous effect
The present invention provides suspended matter filtering tanks in a kind of online water, have following advantageous effect：
1st, suspended matter filtering tank in online water of the invention, drives the rotation of rotary blade under the action of flow, so as to
Two-sided internal gear rotation is driven through first rotating shaft and gear, two-sided internal gear can drive suction nozzle to be moved on the surface of strainer when rotating
Dynamic, place of arrival can wash away the dirt of screen surface in the flow process of flow in suction nozzle moving process, mix the water of this dirt
Stream enters blowdown shaft along soup stick from suction nozzle and is discharged to outside tank through sewage draining exit, achievees the purpose that cleaning dredging strainer.It does not need to
Blowdown shaft is driven to rotate by driving device, structure is simpler, and the course of work is without energy consumption, energy conservation and environmental protection.
Secondly pinion rotation can be driven during the rotation of two-sided internal tooth so that hairbrush in the second shaft is by the dirt of screen surface
Dirt is scraped, and the dirt that screen surface is accumulated after hairbrush is swept is easier to be washed away by flow, will not generate accumulation, cleaning dredging
Strainer it is more efficient, so as to improve the working efficiency of filter, cleaning more thoroughly.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described.
Fig. 1 is suspended matter filtering tank overall structure diagram in the online water of the embodiment of the present invention；
Fig. 2 is the suction nozzle overall structure diagram in suspended matter filtering tank in the online water of the embodiment of the present invention；
Fig. 3 is the overall structure signal of the two-sided internal gear of suction nozzle in suspended matter filtering tank in the online water of the embodiment of the present invention
Figure.
Wherein, tank body 1, upper cover 2, water inlet 201, water inlet pressure gauge 202, pressure difference controller 203, tank bottom 3, row's dirt
Mouthfuls 301, sewage draining exit 302, pedestal 303, solenoid valve 304, blowdown shaft 5, soup stick 6, suction nozzle 7, bearing 701, first rotating shaft 702,
Gear 703, two-sided internal gear 704, pinion gear 705, rotary blade 706, the second shaft 707, third strut 708, the second strut
709th, the first strut 7010, tooth socket 7011, hairbrush 7012, discharge outlet 8, discharge outlet pressure gauge 801, strainer 9, filter cylinder 10.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described, it is clear that described embodiment be part of the embodiment of the present invention rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
As stated in the Background Art, the filter of the prior art also has the disadvantage that, such as only by the natural punching of flow
It washes, handles the less efficient of dirt, the dirt on strainer is caused to accumulate more, filter effect is not high；Secondly when the dirt on strainer
Dirt accumulation it is more when, only by suction nozzle can not absorption, can not clean out so that the whole work efficiency of filter is not
It is high.
Based on background technology and above-mentioned elaboration, as described in Fig. 1~3, the embodiment of the present invention, which is provided in a kind of online water, hangs
Float filtering tank, is included in the tank body 1 that two ends portion is respectively arranged with upper cover 2 and tank bottom 3, and the lower part of the tank body 1 is also set up
There is discharge outlet 8；The upper cover 2 is provided with water inlet 201, and the tank bottom 3 is provided with sewage draining exit 302, before the sewage draining exit 302
End position is provided with solenoid valve 304, and the middle position rotation in the tank body 1 is provided with the row connected with the sewage draining exit 302
Dirty shaft 5；
It is cylindrical in shape centered on the blowdown shaft 5 inside the tank body 1 and strainer 9 is distributed with, the side of the blowdown shaft 5
Wall is provided with hollow soup stick 6 in the position of the correspondence strainer 9；The one end of the soup stick 6 is connected with the blowdown shaft 5
Logical, the other end is provided with the suction nozzle 7 being in contact with the strainer 9；
The one end of the suction nozzle 7 is connected with the soup stick 6, and the other end is provided with opening, the inside of the suction nozzle 7
Wall is provided with bearing 701, is rotated in the suction nozzle 7 through the bearing 701 and sets first rotating shaft 702, the first rotating shaft 702
There is rotary blade 706 in the end set being open far from suction nozzle 7, the first rotating shaft 702 is set close to the end that suction nozzle 7 is open
It is equipped with gear 703；
The suction nozzle 7 is provided with two-sided internal gear 704, the lateral wall setting of the two-sided internal gear 704 in openend
There is tooth socket 7011, the tooth socket 7011 of the two-sided internal gear 704 is meshed with gear 703, mirror image in the two-sided internal gear 704
The pinion gear 705 being meshed respectively with two-sided internal gear 704 there are two being symmetrical arranged, the pinion gear 705 and 7 openend of suction nozzle
Side between rotation be provided with the second shaft 707；
Second shaft, 707 outside is provided with hairbrush 7012.
In specific implementation process, sewage enters from the water inlet 201 of upper cover 2 in filter above-described embodiment, filtered
It is flowed out after the filtering of net 9 from discharge outlet 8.When dirt is accumulated on strainer 9, the solenoid valve 304 of sewage draining exit 302 is opened, in tank body 1
Water forms certain pressure differential with the water at sewage draining exit 302, and flow can flow into suction nozzle along pressure differential from the openend of suction nozzle 7
Inside 7, flow drives the rotary blade 706 under first rotating shaft 702 to rotate, and the rotation of rotary blade 706 drives first rotating shaft 702 another
The gear 703 of one end rotates, and the rotation of gear 703 drives two-sided internal gear 704 to rotate, so that suction nozzle 7 is with blowdown shaft
55 rotate together, and suction nozzle 7 can move on 9 surface of strainer at this time, and place of arrival is in the flow process of flow in 7 moving process of suction nozzle
The middle dirt that can wash away 9 surface of strainer, the flow for mixing dirt are arranged along soup stick 6 from suction nozzle 7 into blowdown shaft through sewage draining exit
Go out to outside tank, realize that the dirt accumulated to 9 surface of strainer is cleared up.It does not need to blowdown shaft be driven to turn by driving device
It is dynamic, you can to realize that suction nozzle 7 moves on 9 surface of strainer, structure is simpler, and the course of work is without energy consumption, energy conservation and environmental protection.
In addition, pinion gear 705 is driven to rotate when two-sided internal gear 704 rotates, so as to which the second shaft 707 be driven to rotate, the
The hairbrush 7012 set in two shafts, 707 rotation process by outer wall sweeps the dirt on 9 surface of strainer, after hairbrush 7012 is swept
The dirt of 9 surface of strainer accumulation is easier to be washed away by flow, will not generate accumulation, and the more efficient of strainer is dredged in cleaning, so as to
Improve the working efficiency of filter, cleaning more thoroughly.
When it is implemented, the first strut 7010 is set between the two side of 7 openend of suction nozzle, the two-sided internal gear 704
It is arranged on first strut 7010.Two-sided internal gear 704 is arranged on by the first strut 7010 in specific implementation process
The openend of suction nozzle 7.
When it is implemented, the both sides of 7 openend of suction nozzle are both provided with the second strut 709,707 turns of second shaft
It is dynamic to be arranged on the second strut 709.
When it is implemented, 7 openend of suction nozzle is provided with third strut 708 in the both sides of two-sided internal gear 704, it is described
Second shaft 707 is rotatably arranged on third strut 708.
By the way that second shaft 707 is arranged on suction nozzle with third strut 708 on the second strut 709 during above-described embodiment
7 openend, the stability of setting is more preferable, and operating is more smooth more to stablize.
When it is implemented, the tank bottom 3 is additionally provided with scale removing mouth 301.Above-described embodiment in specific implementation process, due to
Filter works for a long time, and the bottom of tank body 1 can accumulate a certain amount of dirt to precipitate, open scale removing mouth 301
Easily the dirt to precipitate is expelled to outside tank.
When it is implemented, the soup stick 6 is disposed on the side wall of the blowdown shaft 5.
When it is implemented, the tank body 1 is internally provided with filter cylinder 10, the strainer 9 is laid on the inside of the filter cylinder 10.
Strainer 9 by filter cylinder 10 more convenient can reliably be fixed in specific implementation process, prevent strainer by above-described embodiment
9 arbitrarily float in tank body 1.
When it is implemented, 3 bottom of tank bottom is provided with pedestal 303.
When it is implemented, the water inlet 201 is provided with water inlet pressure gauge 202, discharge outlet pressure is provided in discharge outlet 8
Power table 801, the water inlet pressure gauge 202 and the discharge outlet pressure gauge 801, are connected with pressure difference controller 203, the pressure
Force difference controller 203 controls the solenoid valve 304.
Above-described embodiment is in specific implementation process, and control solenoid valve 304 opens and closes and work period length
Existing various technologies may be used in mode, simply, the SCM program being pre-designed may be used, to control solenoid valve
304 opening and closing being spaced within the predetermined time, by phased manner clean strainer 9.In actual operation, in sewage
Amount containing dirt is all different, and when full dirt is accumulated on strainer 9, the hydraulic pressure in tank body can rise namely the hydraulic pressure of water inlet 201
The hydraulic pressure of discharge outlet 8 can be higher than, therefore, the size of the two differential water pressures can react the accumulating amount of dirt on strainer 9, thus can profit
With the differential water pressures solenoid valve 304 is opened and closed to control.
Claims (9)
1. suspended matter filtering tank in a kind of online water is included in the tank body that two ends portion is respectively arranged with upper cover (2) and tank bottom (3)
(1), the lower part of the tank body (1) is additionally provided with discharge outlet (8)；The upper cover (2) is provided with water inlet (201), the tank bottom
(3) sewage draining exit (302) is provided with, the front position of the sewage draining exit (302) is provided with solenoid valve (304), and the tank body (1) is interior
Middle position rotation be provided with the blowdown shaft (5) that is connected with the sewage draining exit (302)；
It is cylindrical in shape centered on the blowdown shaft (5) inside the tank body (1) and strainer (9) is distributed with, the blowdown shaft (5)
Side wall the position of the correspondence strainer (9) is provided with hollow soup stick (6)；The one end of the soup stick (6) and the blowdown
Shaft (5) is connected, and the other end is provided with the suction nozzle (7) being in contact with the strainer (9),
It is characterized in that, the one end of the suction nozzle (7) is connected with the soup stick (6), the other end is provided with opening, described
The madial wall of suction nozzle (7) is provided with bearing (701), is rotated in the suction nozzle (7) through the bearing (701) and sets first rotating shaft
(702), the first rotating shaft (702) has a rotary blade (706) in the end set far from suction nozzle (7) opening, described first turn
Axis (702) has gear (703) in the end set close to suction nozzle (7) opening；
The suction nozzle (7) is provided with two-sided internal gear (704) in openend, and a lateral wall of the two-sided internal gear (704) is set
Tooth socket (7011) is equipped with, the tooth socket (7011) of the two-sided internal gear (704) is meshed with gear (703), the two-sided internal tooth
Wheel (704) interior mirror image is symmetrically arranged with two pinion gears (705) being meshed respectively with two-sided internal gear (704), the small tooth
Rotation is provided with the second shaft (707) between taking turns the side of (705) and suction nozzle (7) openend；
Hairbrush (7012) is provided on the outside of second shaft (707).
2. suspended matter filtering jar in online water as described in claim 1, which is characterized in that the both sides of suction nozzle (7) openend
First strut (7010) is set between wall, and the two-sided internal gear (704) is arranged on first strut (7010).
3. suspended matter filtering tank in online water as described in claim 1, which is characterized in that the two of suction nozzle (7) openend
Side is both provided with the second strut (709), and second shaft (707) is rotatably arranged on the second strut (709).
4. suspended matter filtering tank in online water as described in claim 1, which is characterized in that suction nozzle (7) openend is double
The both sides of face internal gear (704) are provided with third strut (708), and second shaft (707) is rotatably arranged on third strut
(708) on.
5. suspended matter filtering tank in online water as described in claim 1, which is characterized in that tank bottom (3) row of being additionally provided with
Dirty mouth (301).
6. suspended matter filtering tank in online water as described in claim 1, which is characterized in that the soup stick (6) is disposed on
The side wall of the blowdown shaft (5).
7. suspended matter filtering tank in online water as described in claim 1, which is characterized in that
The tank body (1) is internally provided with filter cylinder (10), and the strainer (9) is laid on the inside of the filter cylinder (10).
8. suspended matter filtering tank in online water as described in claim 1, which is characterized in that tank bottom (3) bottom is provided with
Pedestal (303).
9. suspended matter filtering tank in the online water as described in claim 1~8 is any, which is characterized in that the water inlet (201)
Water inlet pressure gauge (202) is provided with, discharge outlet pressure gauge (801), the water inlet pressure gauge are provided in discharge outlet (8)
(202) and the discharge outlet pressure gauge (801), it is connected with pressure difference controller (203), pressure difference controller (203) control
Make the solenoid valve (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100188.5A CN108187386A (en) | 2018-02-01 | 2018-02-01 | Suspended matter filtering tank in a kind of online water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100188.5A CN108187386A (en) | 2018-02-01 | 2018-02-01 | Suspended matter filtering tank in a kind of online water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108187386A true CN108187386A (en) | 2018-06-22 |
Family
ID=62592323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810100188.5A Pending CN108187386A (en) | 2018-02-01 | 2018-02-01 | Suspended matter filtering tank in a kind of online water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108187386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889009A (en) * | 2018-08-15 | 2018-11-27 | 温利军 | A kind of hydraulic engineering filter pipe |
| CN113041685A (en) * | 2021-03-26 | 2021-06-29 | 盐城师范学院 | Lake water impurity treatment device |
-
2018
- 2018-02-01 CN CN201810100188.5A patent/CN108187386A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889009A (en) * | 2018-08-15 | 2018-11-27 | 温利军 | A kind of hydraulic engineering filter pipe |
| CN113041685A (en) * | 2021-03-26 | 2021-06-29 | 盐城师范学院 | Lake water impurity treatment device |
| CN113041685B (en) * | 2021-03-26 | 2022-09-16 | 盐城师范学院 | Lake water impurity treatment device |
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Application publication date: 20180622 |
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