CN106731213A - A kind of filter vat, the control method and control system of filter vat cleaning - Google Patents
A kind of filter vat, the control method and control system of filter vat cleaning Download PDFInfo
- Publication number
- CN106731213A CN106731213A CN201710054572.1A CN201710054572A CN106731213A CN 106731213 A CN106731213 A CN 106731213A CN 201710054572 A CN201710054572 A CN 201710054572A CN 106731213 A CN106731213 A CN 106731213A
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- China
- Prior art keywords
- filter layer
- control
- cleaning
- filter vat
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
- B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4807—Handling the filter cake for purposes other than regenerating
- B01D24/4815—Handling the filter cake for purposes other than regenerating for washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
Abstract
The invention discloses control method and control system that a kind of filter vat, filter vat are cleaned, the filter vat sets two delivery ports, wherein clear water delivery port is used to go out clear water under normal circumstances, sewage outlet is used to sewage when cleaning, and clear water delivery port and sewage outlet are switched over by switching switch；Crossing in aquaporin, setting pressure sensor detected the hydraulic pressure data in aquaporin simultaneously, if hydraulic pressure data are excessive, showed that water speed was slow, impurities accumulation is excessive in filter layer, need cleaning, now switching to sewage outlet carries out water outlet, the direction of filter layer is adjusted simultaneously, the impurity that will be accumulated in filter layer is adjusted to the downstream in water (flow) direction, filter layer is cleaned automatically in filter vat, cleaning more facilitates, and the opportunity of cleaning is more accurate, eliminates impurity and constantly accumulates potential safety hazard and the energy ezpenditure for bringing.
Description
Technical field
The present invention relates to cleaning equipment technical field, more particularly to the cleaning of a kind of filter vat, filter vat control method and
Control system.
Background technology
Water quality be aquaculture, gardening view and admire, a key factor of aquarium, and good water quality must lean on one it is complete
Kind purification filtering system, it can make static and contaminated water circulation and self-cleaning in aquarium, and it can pass through the water of pollution
After filtering absorption of the process of decomposition, the water quality of hypotoxicity cleaning is reduced to, its effect can liken the liver and kidney of human body to.
In current techniques, the cleaning action of filter vat is and thinks control manually, when user is when longer time is left,
Often it is excessive due to there is the dirt in filter vat, cause filter vat to block, pressure exceedes the endurance of bucket in bucket, filters
The danger that drum rupture even explodes.
The content of the invention
The invention provides control method and control system that a kind of filter vat, filter vat are cleaned, prior art is solved
Middle filter vat less cleaning position may caused water degradation and potential safety hazard.
To realize above-mentioned design, the present invention uses following technical scheme：
First aspect use a kind of filter vat, including staving, filter layer, pressure sensor, water inlet, clear water delivery port,
Sewage outlet, switching switch and control board；
Aquaporin was provided with the staving, the filter layer is arranged in the aquaporin excessively, and the water inlet sets
The first side of the aquaporin internal filtration layer excessively is placed in, the clear water delivery port and sewage outlet are arranged at the aquaporin excessively
Second side of internal filtration layer, the switching is switched and gone out in clear water delivery port and sewage outlet described in switching control
Water；
The pressure sensor is arranged between the water inlet and filter layer and is electrically connected with the control board, uses
In detecting the hydraulic pressure data crossed in aquaporin and by the hydraulic pressure data is activation to the control board；The filter layer
It is connected with turning device；
The control board is also electrically connected with the switching switch and turning device, for according to the hydraulic pressure data
The switching of the control switching switch and the upset of turning device.
Wherein, the clear water delivery port is provided with the infrared sensor for detecting turbidity data, the infrared sensing
Device is electrically connected with the control board, and the control board is additionally operable to be opened according to the turbidity data control switching
Concern is changed.
Wherein, the control board is additionally provided with wireless module, for sending the data for detecting simultaneously to control terminal
Receive the clear instruction that the control terminal sends.
Wherein, the wireless module is WiFi module or bluetooth module.
The control method that second aspect is cleaned using a kind of filter vat, including：
Obtain filter vat water inlet hydraulic pressure data, according to the hydraulic pressure data judge filter vat filter layer whether need
Clean；
If judging that the filter layer needs cleaning according to the hydraulic pressure data, control switching switch switches to sewage water outlet
Mouth water outlet, and control turning device to overturn the filter layer.
Wherein, the control method, also includes：
The turbidity data of the clear water delivery port of the filter vat is obtained, the filtering is judged according to the turbidity data
Whether layer needs cleaning；
If judging that the filter layer needs cleaning according to the turbidity data, the switching switch is controlled to switch to dirt
Water delivery port water outlet, and control the turning device to overturn the filter layer.
Wherein, the control method also includes：
If receiving the clear instruction of control end transmission, the switching switch is controlled to switch to sewage outlet water outlet,
And control the turning device to overturn the filter layer.
The control system that the third aspect is cleaned using a kind of filter vat, including：
First data determining unit, the hydraulic pressure data of the water inlet for obtaining filter vat, sentences according to the hydraulic pressure data
Whether the filter layer of disconnected filter vat needs cleaning；
First cleaning control unit, if for judging that the filter layer needs cleaning according to the hydraulic pressure data, controlling
Switching switch switches to sewage outlet water outlet, and controls turning device to overturn the filter layer.
Wherein, the control system, also includes：
Second data determining unit, the turbidity data of the clear water delivery port for obtaining the filter vat, according to described
Turbidity data judges whether the filter layer needs cleaning；
Second cleaning control unit, if for judging that the filter layer needs cleaning according to the turbidity data, controlling
The system switching switch switches to sewage outlet water outlet, and controls the turning device to overturn the filter layer.
Wherein, the control system also includes：
Long-range cleaning control unit, if the clear instruction for receiving control end transmission, controls the switching switch
Sewage outlet water outlet is switched to, and controls the turning device to overturn the filter layer.
Beneficial effects of the present invention are：For filter vat sets two delivery ports, wherein clear water delivery port is used for normal condition
Under go out clear water, sewage outlet is used to sewage when cleaning, and clear water delivery port and sewage outlet are cut by switching switch
Change；Crossing in aquaporin, setting pressure sensor detected the hydraulic pressure data in aquaporin simultaneously, if hydraulic pressure data are excessive, showed
Cross water speed slow, impurities accumulation is excessive, it is necessary to clean in filter layer, now switches to sewage outlet to carry out water outlet, while adjusting
The direction of filtering layer is had suffered, the impurity that will be accumulated in filter layer is adjusted to the downstream in water (flow) direction, to filtering in filter vat
Layer is cleaned automatically, and cleaning more facilitates, and the opportunity of cleaning is more accurate, and eliminating impurity, constantly to accumulate the safety brought hidden
Suffer from and energy ezpenditure.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, institute in being described to the embodiment of the present invention below
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also implement according to the present invention
The content and these accompanying drawings of example obtain other accompanying drawings.
Figure 1A is a kind of structural representation of the first angle of filter vat of offer in the specific embodiment of the invention；
Figure 1B is a kind of structural representation of the second angle of filter vat of offer in the specific embodiment of the invention；
Fig. 2 is a kind of method flow diagram of the control method of filter vat cleaning of offer in the specific embodiment of the invention；
Fig. 3 is a kind of block diagram of the control system of filter vat cleaning of offer in the specific embodiment of the invention.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to the specific embodiment according to the electric iron for automatically powering off proposed by the present invention, structure, feature and
Its effect, describes in detail as after.
Refer to Figure 1A and Figure 1B, Figure 1A be a kind of filter vat provided in the specific embodiment of the invention first angle
Structural representation；Figure 1B is a kind of structural representation of the second angle of filter vat of offer in the specific embodiment of the invention
Figure.As illustrated, the filter vat 1, including staving, filter layer 11, pressure sensor 126, water inlet 121, water purification delivery port
122nd, sewage outlet 129, switching switch 125 and control board 124；
Aquaporin was provided with staving, filter layer 11 was arranged in aquaporin, and water inlet 121 was arranged at aquaporin
First side of internal filtration layer 11, water purification delivery port 122 and sewage outlet 129 were arranged at the second of aquaporin internal filtration layer 11
Side, the water outlet that switching switch 125 is used in switching control water purification delivery port 122 and sewage outlet 129；
Pressure sensor 126 is arranged between water inlet 121 and filter layer 11 and is electrically connected with control board 124, uses
In detecting hydraulic pressure data in aquaporin and by hydraulic pressure data is activation to control board 124；Filter layer 11 is connected with upset
Device 127；
Control board 124 is also electrically connected with switching switch 125 and turning device 127, for according to hydraulic pressure data control
The switching of system switching switch 125 and the upset of turning device 127.
For filter vat 1, under normal circumstances, in the presence of water pump, water intake velocity is that comparing is put down with water speed is gone out
Weighing apparatus, if water intake velocity is much larger than out water speed, water of the formation beyond normal level in aquaporin can be crossed in filter vat 1
Pressure, the blocking of filter layer 11 is substantially the reason for this thing happens, and being substantially impurity the reason for produce blocking overstocks too
It is many, in this programme, using the hydraulic pressure data in filter vat 1 as reference, when hydraulic pressure is excessive, under formation and normal operating conditions not
Same crosses water route, and filter layer 11 is overturn, and directly filter layer 11 is cleaned in filter vat 1 and will clean the dirt for being formed
Water is discharged from sewage outlet 129, it is to avoid is aligned conventional water and is polluted.
In this programme, bactericidal lamp 14, mainly ultraviolet germicidal are also provided with filter vat 1.Switching therein is opened
125 such as electromagnetic switch are closed, turning device 127 mainly passes through motor control.
In sum, it is that filter vat sets two delivery ports, wherein water purification delivery port is used to go out clear water under normal circumstances, dirty
Water delivery port is used to sewage when cleaning, and water purification delivery port and sewage outlet are switched over by switching switch；Lead to water is crossed
The hydraulic pressure data that pressure sensor was detected in aquaporin are set simultaneously in road, if hydraulic pressure data are excessive, showed that water speed was slow,
Impurities accumulation is excessive, it is necessary to clean in filter layer, now switches to sewage outlet to carry out water outlet, while adjusting the side of filter layer
To the impurity that will be accumulated in filter layer is adjusted to the downstream in water (flow) direction, and filter layer is carried out automatically clearly in filter vat
Wash, cleaning more facilitates, and the opportunity of cleaning is more accurate, eliminate that impurity constantly accumulates the potential safety hazard brought and energy disappears
Consumption.
In addition, water purification delivery port 122 is provided with the infrared sensor 123 for detecting turbidity data, infrared sensor
123 electrically connect with control board 124, and control board 124 is additionally operable to be cut according to turbidity data control switching switch 125
Change.
If it is still muddy that infrared sensor 123 detects water quality, then can enter in the case of hydraulic pressure data are normal
Both the cleaning of row filter layer 11, the judgement based on infrared sensor 123 and the judgement based on pressure sensor 126 are not done mutually
Disturb, as long as wherein there is a data exception, you can carry out cleaning operation.
Meanwhile, control board 124 is additionally provided with wireless module, for sending the data that detect to control terminal and connecing
Receive the clear instruction that control terminal sends.
Filter vat 1 may have different cleaning requirements, such as fish jar, different fishes under different applied environments
To water quality however with requirement, user can periodically be cleaned by wireless module remote control to filter layer 11.It is specific and
Speech, wireless module is WiFi module or bluetooth module.Preferably WiFi module, can remotely be controlled in farther place
System.In this programme, in order to protect the electrical structure of inside, sealed by top cover 128 and staving, be provided therebetween
Sealing ring, if necessary, top cover 128 can also set radiating burr.
Fig. 2 is refer to, it is a kind of side of the control method of filter vat cleaning of offer in the specific embodiment of the invention
Method flow chart, as illustrated, the control method includes：
Step S201：The hydraulic pressure data of the water inlet of filter vat are obtained, the filter layer of filter vat is judged according to hydraulic pressure data
Whether cleaning is needed.
Hydraulic pressure tables of data understands the accumulated state of impurity in filter layer, if impurities accumulation is excessive, hydraulic pressure data increase ratio
It is larger, show the cleaning for being currently needed for carrying out filter layer.
Step S202：If judging that filter layer needs cleaning according to hydraulic pressure data, control switching switch switches to sewage to go out
Mouth of a river water outlet, and control turning device to overturn filter layer.
When being cleaned to filter layer, in order to avoid aligning the pollution of conventional water environment, carried out by sewage outlet
Independent water outlet, the sewage discharge that filter layer cleaning is produced to other receiving area.
In sum, the hydraulic pressure data that pressure sensor was detected in aquaporin are set in aquaporin excessively, if hydraulic pressure number
According to excessive, showed that water speed was slow, impurities accumulation is excessive, it is necessary to clean in filter layer, now switches to sewage outlet to carry out
Water outlet, while adjusting the direction of filter layer, the impurity that will be accumulated in filter layer is adjusted to the downstream in water (flow) direction, in filtering
Filter layer is cleaned automatically in bucket, cleaning more facilitates, and the opportunity of cleaning is more accurate, eliminates impurity and constantly accumulates band
The potential safety hazard and energy ezpenditure come.
Wherein, the control method, also includes：
The turbidity data of the clear water delivery port of filter vat is obtained, judges whether filter layer needs clearly according to turbidity data
Wash；
If judging that filter layer needs cleaning according to turbidity data, control switching switch switches to sewage outlet to go out
Water, and control turning device to overturn filter layer.
Specifically, if the flow velocity of water is normal, i.e., hydraulic pressure data are normal, but the water quality of clear water delivery port does not conform to still
Lattice, can be detected by infrared sensor, and then carry out cleaning operation according to the testing result of infrared sensor.
Wherein, the control method also includes：
If receiving the clear instruction of control end transmission, control switching switch switches to sewage outlet water outlet, and controls
Turning device processed overturns filter layer.
In view of different water demands, the cleaning of filter layer can be controlled by user by control end, specifically,
Control end can be mobile terminal.
Fig. 3 is refer to, it is a kind of knot of the control system of filter vat cleaning of offer in the specific embodiment of the invention
Structure block diagram, the embodiment realization of the embodiment based on above-mentioned control method of control system, not most description in the controls,
Refer to the embodiment of aforementioned control method.As illustrated, the control system includes：
First data determining unit 31, the hydraulic pressure data of the water inlet for obtaining filter vat judge according to hydraulic pressure data
Whether the filter layer of filter vat needs cleaning；
First cleaning control unit 32, if for judging that filter layer needs cleaning, control switching to open according to hydraulic pressure data
Concern is changed to sewage outlet water outlet, and controls turning device to overturn filter layer.
Wherein, the control system, also includes：
Second data determining unit, the turbidity data of the clear water delivery port for obtaining filter vat, according to the muddy number of degrees
It is judged that whether filter layer needs cleaning；
Second cleaning control unit, if for judging that filter layer needs cleaning, control switching to open according to turbidity data
Concern is changed to sewage outlet water outlet, and controls turning device to overturn filter layer.
Wherein, the control system also includes：
Long-range cleaning control unit, if the clear instruction for receiving control end transmission, control switching switch switching
It is sewage outlet water outlet, and controls turning device to overturn filter layer.
In sum, the system operating of said units, detected in aquaporin setting pressure sensor in aquaporin is crossed
Hydraulic pressure data, if hydraulic pressure data are excessive, showed that water speed was slow, impurities accumulation is excessive, it is necessary to clean in filter layer, now cuts
Being changed to sewage outlet carries out water outlet, while adjusting the direction of filter layer, the impurity that will be accumulated in filter layer is adjusted in water
The downstream in direction is flowed, filter layer is cleaned automatically in filter vat, cleaning more facilitates, and the opportunity of cleaning is more accurate,
Eliminate impurity and constantly accumulate potential safety hazard and the energy ezpenditure for bringing.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above
It is the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to technical spirit pair of the invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of filter vat, it is characterised in that including staving, filter layer, pressure sensor, water inlet, clear water delivery port, sewage
Delivery port, switching switch and control board；
Aquaporin was provided with the staving, the filter layer is arranged in the aquaporin excessively, and the water inlet is arranged at
First side of the aquaporin internal filtration layer excessively, the clear water delivery port and sewage outlet are arranged at mistake in the aquaporin excessively
Second side of filtering layer, the switching is switched for a water outlet in clear water delivery port and sewage outlet described in switching control；
The pressure sensor is arranged between the water inlet and filter layer and is electrically connected with the control board, for examining
Survey the hydraulic pressure data crossed in aquaporin and by the hydraulic pressure data is activation to the control board；The filter layer connection
There is turning device；
The control board is also electrically connected with the switching switch and turning device, for being controlled according to the hydraulic pressure data
The switching of the switching switch and the upset of turning device.
2. filter vat according to claim 1, it is characterised in that the clear water delivery port is provided with for detecting turbidity
The infrared sensor of data, the infrared sensor is electrically connected with the control board, and the control board is additionally operable to root
According to the turbidity data control switching switch switching.
3. filter vat according to claim 1 and 2, it is characterised in that the control board is additionally provided with wireless module,
For the clear instruction for the data for detecting being sent to control terminal and receive the control terminal transmission.
4. filter vat according to claim 3, it is characterised in that the wireless module is WiFi module or bluetooth module.
5. the control method that a kind of filter vat is cleaned, it is characterised in that including：
The hydraulic pressure data of the water inlet of filter vat are obtained, whether the filter layer for judging filter vat according to the hydraulic pressure data needs clearly
Wash；
If judging that the filter layer needs cleaning according to the hydraulic pressure data, control switching switch switches to sewage outlet to go out
Water, and control turning device to overturn the filter layer.
6. control method according to claim 5, it is characterised in that the control method, also includes：
The turbidity data of the clear water delivery port of the filter vat is obtained, judges that the filter layer is according to the turbidity data
It is no to need cleaning；
If judging that the filter layer needs cleaning according to the turbidity data, the switching switch is controlled to switch to sewage to go out
Mouth of a river water outlet, and control the turning device to overturn the filter layer.
7. the control method according to claim 5 or 6, it is characterised in that the control method also includes：
If receiving the clear instruction of control end transmission, the switching switch is controlled to switch to sewage outlet water outlet, and control
Make the turning device and overturn the filter layer.
8. the control system that a kind of filter vat is cleaned, it is characterised in that including：
First data determining unit, the hydraulic pressure data of the water inlet for obtaining filter vat, judged according to the hydraulic pressure data
Whether the filter layer of lauter tub needs cleaning；
First cleaning control unit, if for judging that the filter layer needs cleaning, control switching according to the hydraulic pressure data
Switch switches to sewage outlet water outlet, and controls turning device to overturn the filter layer.
9. control method according to claim 8, it is characterised in that the control system, also includes：
Second data determining unit, the turbidity data of the clear water delivery port for obtaining the filter vat, according to the muddiness
The number of degrees are it is judged that whether the filter layer needs cleaning；
Second cleaning control unit, if for judging that the filter layer needs cleaning according to the turbidity data, controlling institute
State switching switch and switch to sewage outlet water outlet, and control the turning device to overturn the filter layer.
10. control system according to claim 8 or claim 9, it is characterised in that the control system also includes：
Long-range cleaning control unit, if the clear instruction for receiving control end transmission, controls the switching switch switching
It is sewage outlet water outlet, and controls the turning device to overturn the filter layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054572.1A CN106731213A (en) | 2017-01-24 | 2017-01-24 | A kind of filter vat, the control method and control system of filter vat cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054572.1A CN106731213A (en) | 2017-01-24 | 2017-01-24 | A kind of filter vat, the control method and control system of filter vat cleaning |
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| Publication Number | Publication Date |
|---|---|
| CN106731213A true CN106731213A (en) | 2017-05-31 |
Family
ID=58942702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054572.1A Pending CN106731213A (en) | 2017-01-24 | 2017-01-24 | A kind of filter vat, the control method and control system of filter vat cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106731213A (en) |
Cited By (3)
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| CN114210117A (en) * | 2021-12-21 | 2022-03-22 | 陈丽群 | Anti-blocking intelligent sewage pump for wastewater treatment |
| CN114804385A (en) * | 2022-04-27 | 2022-07-29 | 江苏分米环保科技有限公司 | Intelligent water purification equipment with frequency conversion function |
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Cited By (4)
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| CN108849708A (en) * | 2018-07-27 | 2018-11-23 | 陈宇轩 | A kind of fish jar cleaning apparatus for self and anti-sticking fish fish jar |
| CN114210117A (en) * | 2021-12-21 | 2022-03-22 | 陈丽群 | Anti-blocking intelligent sewage pump for wastewater treatment |
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Application publication date: 20170531 |
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