CN107746155A - A kind of integral domestic sewage treatment device - Google Patents
A kind of integral domestic sewage treatment device Download PDFInfo
- Publication number
- CN107746155A CN107746155A CN201711100782.6A CN201711100782A CN107746155A CN 107746155 A CN107746155 A CN 107746155A CN 201711100782 A CN201711100782 A CN 201711100782A CN 107746155 A CN107746155 A CN 107746155A
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- Prior art keywords
- filter
- filter box
- discharge tank
- stirred
- biological treatment
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
-
- 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
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of integral domestic sewage treatment device, including car body and road wheel, stirred filter box is provided with the car body, biological treatment case and discharge tank, agitating device is provided with stirred filter box, expansion plate, fixed connecting plate and filter, one end of expansion plate offsets with fixed connecting plate, the delivery port of stirred filter box is connected by the second suction pump with the entrance of biological treatment case, the outlet of biological treatment case is connected by the 3rd suction pump with the import of discharge tank, it is provided with discharge tank in reaction tube and reaction tube and is provided with interior electrode, one end of interior electrode is connected with the positive pole of power supply, the negative pole of power supply is connected with one end of external electrode, the other end of external electrode is connected with interior electrode.The overall mobility of the device is good, convenient for people to use；The device realizes that the height of sewage disposal system is intensive, and various ways decontamination ensure that effluent characteristics by stirring, chemicals treatment, filtering, microbiological treatment and discharge process.
Description
Technical field
The present invention relates to sewage treatment area, specifically a kind of integral domestic sewage treatment device.
Background technology
With the growth of population and the increase of city size, caused sanitary sewage is more and more daily in city.Life
Sewage is mainly the various caused discharge water of water, slurry and use in toilet water for kitchen use used in human lives, more
For nontoxic inorganic salts, caused sewage during human lives, is one of primary pollution source of water body, sanitary sewage is main
It is excrement and wash water, large amount of organic, such as cellulose, starch, carbohydrate and fat protein is contained in sanitary sewage；
Often contain pathogen, virus and parasitic ovum；Chloride, sulfate, phosphate, bicarbonate and the sodium of inorganic salts, potassium,
Calcium, magnesium etc., the characteristics of sanitary sewage is total is nitrogenous, sulfur-bearing and phosphorous height, in the case where anaerobic bacteria acts on, easily raw odorant.
People must be handled sanitary sewage, and traditional handling process is to precipitate sanitary sewage, filter, changing
Chemicals treatment and biological treatment are learned, but the mobility of this handling process is bad, treatment effect does not reach the expection of people, this
Just inconvenience is brought for the processing of sanitary sewage.
The content of the invention
It is an object of the invention to provide a kind of integral domestic sewage treatment device, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：
A kind of integral domestic sewage treatment device, including car body and road wheel, the road wheel are arranged on the four of car body bottom
Angle, stirred filter box, biological treatment case and discharge tank is provided with car body, the upper end of stirred filter box is provided with water inlet and medicine
Agent dispensing port and water inlet is connected with the first suction pump, is provided with agitating device, expansion plate, is fixedly connected in stirred filter box
Plate and filter, agitating device include stirring motor, agitating shaft and puddler, and stirring motor is arranged on the upper end of stirred filter box
And the output end of stirring motor is connected with agitating shaft, puddler is arranged in multilayer and multilayer puddler is uniformly arranged on stirring
The surrounding of axle, fixed connecting plate is fixedly mounted on the inside of stirred filter box and fixed connecting plate is located under agitating device
Side, one end and the fixed connecting plate of expansion plate offseted, and the other end of expansion plate is connected by drive shaft with hydraulic cylinder, expansion plate and
Fixed connecting plate forms an interlayer for being used to separate agitating device and filter, and filter is located at the lower section of expansion plate and mistake
The bottom of filter is connected with the delivery port of stirred filter box, the delivery port of stirred filter box by the second suction pump with biology
Reason case entrance be connected, biological treatment case be internally provided with Aerobic Pond and anaerobic pond and Aerobic Pond is located at the upper of anaerobic pond
Side, Aerobic Pond is interior to be filled with anaerobic organism filled with aerator is provided with aerobe and Aerobic Pond in anaerobic pond, raw
The entrance of thing treatment box is connected with the water inlet of Aerobic Pond, and the delivery port of Aerobic Pond is connected with the water inlet of anaerobic pond, detests
The delivery port in oxygen pond is connected with the outlet of biological treatment case, and the outlet of biological treatment case passes through the 3rd suction pump and discharge tank
Import is connected, and is provided with discharge tank in the reaction tube and reaction tube of quartz material and is provided with interior electrode, interior electrode
One end be connected with the positive pole of power supply and power supply uses high-frequency and high-voltage power supply, the negative pole of power supply is connected with one end of external electrode,
The other end of external electrode is connected with interior electrode, and exhaust outlet is provided with discharge tank, is provided with air inlet on reaction tube, air inlet with
The gas vent of recyclegas pump is connected, and exhaust outlet is connected with the gas feed of recyclegas pump, symmetrical at the tube wall of reaction tube
The upper end for being provided with discharge aperture and reaction tube uses enclosed construction.
As the further scheme of the present invention：The end of puddler is hinged with stirring vane.
As the further scheme of the present invention：Filter include sandstone filter layer, activated carbon adsorption layer, resins exchange layer and
Ozonization layer, sandstone filter layer, activated carbon adsorption layer, resins exchange layer and ozonization layer are arranged in order from top to bottom.
As the further scheme of the present invention：The upper end of filter is provided with for catching on the curved of agitation and filtration chamber interior wall
Hook.
As the further scheme of the present invention：Spacing between discharge aperture is 3-5mm, a diameter of 0.6- of discharge aperture
0.8mm。
As the further scheme of the present invention：The entrance of discharge tank is provided with top cover, is used between top cover and discharge tank
Threaded connection.
Compared with prior art, the beneficial effects of the invention are as follows：The device is reasonable in design, by car body setting handle
Device, overall mobility is good, convenient for people to use；The device by stirring, chemicals treatment, filtering, microbiological treatment and
Discharge process, it is intensive to realize the height of sewage disposal system, and various ways decontamination ensure that effluent characteristics, and using effect is good.
Brief description of the drawings
The structural representation of the integrated sewage treatment units of Fig. 1.
A kind of structural representation of filter in the integrated sewage treatment units of Fig. 2.
Another structural representation of filter in the integrated sewage treatment units of Fig. 3.
Wherein：1- car bodies, 2- road wheels, the suction pumps of 3- first, 4- stirring motors, the stirred filter boxs of 5-, 6- agitating shafts, 7-
Puddler, 8- stirring vanes, 9- medicament delivery mouths, 10- hydraulic cylinders, 11- expansion plates, 12- fixed connecting plates, 13- filters,
The suction pumps of 14- second, 15- biological treatment casees, 16- Aerobic Ponds, 17- anaerobic ponds, 18- aerators, the suction pumps of 19- the 3rd, 20-
Discharge tank, 21- reaction tubes, electrode in 22-, 23- power supplys, 24- recyclegas pumps, 25- air inlets, 26- exhaust outlets, 27- dispatches from foreign news agency
Pole, 28- sandstone filter layers, 29- activated carbon adsorption layers, 30- resins exchange layers, 31- ozonization layers, 32- crotches.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-3, a kind of integral domestic sewage treatment device, including car body 1 and road wheel 2, the road wheel 2
Installed in the corner of the bottom of car body 1, stirred filter box 5, biological treatment case 15 and discharge tank 20 are provided with car body 1, it is stirred
The upper end of filter box 5 is provided with water inlet and medicament delivery mouth 9 and water inlet is connected with the first suction pump 3, in stirred filter box 5
Agitating device, expansion plate 11, fixed connecting plate 12 and filter 13 are provided with, agitating device includes stirring motor 4, agitating shaft 6
With puddler 7, stirring motor 4 is arranged on the upper end of stirred filter box 5 and the output end of stirring motor 4 is connected with agitating shaft 6,
Puddler 7 is arranged in multilayer and multilayer puddler 7 is uniformly arranged on the surrounding of agitating shaft 6, and fixed connecting plate 12 is fixedly mounted
It is located at the lower section of agitating device in the inside of stirred filter box 5 and fixed connecting plate 12, one end of expansion plate 11 connects with fixed
Fishplate bar 12 is offseted, and the other end of expansion plate 11 is connected by drive shaft with hydraulic cylinder 10, expansion plate 11 and the shape of fixed connecting plate 12
The interlayer for being used to separate agitating device and filter 13 into one, filter 13 are located at the lower section of expansion plate 11 and filter 13
Bottom be connected with the delivery port of stirred filter box 5, the delivery port of stirred filter box 5 by the second suction pump 14 with biology
The entrance of reason case 15 is connected, and biological treatment case 15 is internally provided with Aerobic Pond 16 and anaerobic pond 17 and Aerobic Pond 16 positioned at detesting
The top in oxygen pond 17, interior be filled with aerobe and Aerobic Pond 16 of Aerobic Pond 16 are provided with aerator 18, anaerobic pond 17
Interior to be filled with anaerobic organism, the entrance of biological treatment case 15 is connected with the water inlet of Aerobic Pond 16, the delivery port of Aerobic Pond 16
It is connected with the water inlet of anaerobic pond 17, the delivery port of anaerobic pond 17 is connected with the outlet of biological treatment case 15, biological treatment
The outlet of case 15 is connected by the 3rd suction pump 19 with the import of discharge tank 20, and quartz material is provided with discharge tank 20
Reaction tube 21 and reaction tube 21 in be provided with interior electrode 22, one end of interior electrode 22 is connected with the positive pole of power supply 23 and electricity
Source 23 uses high-frequency and high-voltage power supply, and the negative pole of power supply 23 is connected with one end of external electrode 27, the other end of external electrode 27 and interior electricity
Pole 22 is connected, and exhaust outlet 26 is provided with discharge tank 20, air inlet 25, air inlet 25 and recyclegas are provided with reaction tube 21
The gas vent of pump 24 is connected, and exhaust outlet 26 is connected with the gas feed of recyclegas pump 24, symmetrical at the tube wall of reaction tube 21
The upper end for being provided with discharge aperture and reaction tube 21 uses enclosed construction.The end of puddler 7 is hinged with stirring vane 8.Filtering
Device 13 includes sandstone filter layer 28, activated carbon adsorption layer 29, resins exchange layer 30 and ozonization layer 31, sandstone filter layer 28,
Activated carbon adsorption layer 29, resins exchange layer 30 and ozonization layer 31 are arranged in order from top to bottom.The upper end of filter 13 is set
There is the crotch 32 for catching on the stirred inwall of filter box 5.Spacing between discharge aperture is 3-5mm, a diameter of 0.6- of discharge aperture
0.8mm.The entrance of discharge tank 20 is provided with top cover, uses and is threadedly coupled between top cover and discharge tank 20.
The present invention operation principle be：Sewage is pumped into stirred filter box 5 by the first suction pump 3, now expansion plate 11 with
Fixed connecting plate 12 separates agitating device and filter 13, and people put into medicament, the band of stirring motor 4 from medicament delivery mouth 9
Dynamic agitating shaft 6 is rotated so as to drive puddler 7 to rotate, and puddler 7 is stirred to sewage while puddler 7 drives stirring vane
8 rotate, and stirring vane 8 also carries out rotation while rotating so that sewage and medicament stirring reaction are abundant, after completion of the reaction liquid
Cylinder pressure 10 drives expansion plate 11 to shrink, and reacted sewage falls into filter 13 and filtered, and sewage passes through second after filtering
Suction pump 14 is sent into biological treatment case 15, and the sewage after filtering, which enters Aerobic Pond 16, to carry out biological nitration and inhale phosphorus, Aerobic Pond 16
Sewage after processing enters anaerobic pond 17 and carries out biological denitrification, and all the sewage after processing is sent into by the 3rd suction pump 19 puts
Electronic box 20, the discharge aperture in recyclegas pump 6 on the reacted tube wall of pipe 21 of gas enter in sewage, are played while aeration
The effect of electric discharge air duct is formed between interior electrode 22 and sewage, power supply 23 is opened, production of being discharged between interior electrode 22 and liquid
Raw plasma, while aeration is sufficiently mixed reaction solution, accelerates mass-transfer efficiency, under discharge process, oxygen in air and
The different kinds of molecules such as water, which are stimulated, produces substantial amounts of hydroxyl, ozone isoreactivity material, under the orientation conveying effect of gas, these
Strong oxidation reaction occurs for the contaminant molecule of active material and sewage, at the same time, also can with stronger ultraviolet light and
Visible ray etc. is produced, and ozone caused by electric discharge is fully used through gas circulation, strengthens the drop for polluter
Solution processing.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of integral domestic sewage treatment device, it is characterised in that including car body and road wheel, the road wheel is arranged on
The corner of car body bottom, stirred filter box, biological treatment case and discharge tank are provided with car body, and the upper end of stirred filter box is set
There are water inlet and medicament delivery mouth and water inlet is connected with the first suction pump, agitating device is provided with stirred filter box, is stretched
Contracting plate, fixed connecting plate and filter, agitating device include stirring motor, agitating shaft and puddler, and stirring motor is arranged on and stirred
Mix the upper end of Rose Box and the output end of stirring motor is connected with agitating shaft, puddler is arranged in multilayer and multilayer puddler
The surrounding of agitating shaft is uniformly arranged on, fixed connecting plate is fixedly mounted on the inside of stirred filter box and fixed connecting plate is located at
The lower section of agitating device, one end and the fixed connecting plate of expansion plate offset, and the other end of expansion plate passes through drive shaft and hydraulic cylinder
It is connected, expansion plate forms an interlayer for being used to separate agitating device and filter with fixed connecting plate, and filter is positioned at flexible
The lower section of the plate and bottom of filter is connected with the delivery port of stirred filter box, the delivery port of stirred filter box passes through second
Suction pump is connected with the entrance of biological treatment case, and biological treatment case is internally provided with Aerobic Pond and anaerobic pond and Aerobic Pond position
In the top of anaerobic pond, filled with aerator is provided with aerobe and Aerobic Pond in Aerobic Pond, filled in anaerobic pond
There is anaerobic organism, the entrance of biological treatment case is connected with the water inlet of Aerobic Pond, the delivery port of Aerobic Pond and entering for anaerobic pond
The mouth of a river is connected, and the delivery port of anaerobic pond is connected with the outlet of biological treatment case, and the outlet of biological treatment case is taken out by the 3rd
Water pump is connected with the import of discharge tank, is provided with the reaction tube and reaction tube of quartz material and is provided with discharge tank
Interior electrode, one end of interior electrode is connected with the positive pole of power supply and power supply uses high-frequency and high-voltage power supply, the negative pole and dispatch from foreign news agency of power supply
One end of pole is connected, and the other end of external electrode is connected with interior electrode, and exhaust outlet is provided with discharge tank, be provided with reaction tube into
Gas port, air inlet are connected with the gas vent of recyclegas pump, and exhaust outlet is connected with the gas feed of recyclegas pump, reaction tube
Tube wall at be symmetrically arranged with discharge aperture and the upper end of reaction tube uses enclosed construction.
2. integral domestic sewage treatment device according to claim 1, it is characterised in that the end hinge of the puddler
It is connected to stirring vane.
3. integral domestic sewage treatment device according to claim 1, it is characterised in that the filter includes sandstone
Filter layer, activated carbon adsorption layer, resins exchange layer and ozonization layer, sandstone filter layer, activated carbon adsorption layer, resins exchange layer
It is arranged in order from top to bottom with ozonization layer.
4. integral domestic sewage treatment device according to claim 2, it is characterised in that the upper end of the filter is set
It is equipped with the crotch for catching on agitation and filtration chamber interior wall.
5. integral domestic sewage treatment device according to claim 3, it is characterised in that between the discharge aperture
Away from for 3-5mm, a diameter of 0.6-0.8mm of discharge aperture.
6. integral domestic sewage treatment device according to claim 1, it is characterised in that the entrance of the discharge tank
Top cover is provided with, uses and is threadedly coupled between top cover and discharge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100782.6A CN107746155A (en) | 2017-11-10 | 2017-11-10 | A kind of integral domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100782.6A CN107746155A (en) | 2017-11-10 | 2017-11-10 | A kind of integral domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107746155A true CN107746155A (en) | 2018-03-02 |
Family
ID=61252076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100782.6A Withdrawn CN107746155A (en) | 2017-11-10 | 2017-11-10 | A kind of integral domestic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107746155A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713329A (en) * | 2019-11-15 | 2020-01-21 | 嘉兴汇昌塑业有限公司 | Plastic septic tank capable of separating mud from water |
| CN111533242A (en) * | 2020-05-12 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | Ozone and ultraviolet combined disinfection device for sewage pipeline |
| CN114301541A (en) * | 2022-01-11 | 2022-04-08 | 深圳市德拜科技有限公司 | Ultra-wideband underwater transducer and control method |
-
2017
- 2017-11-10 CN CN201711100782.6A patent/CN107746155A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713329A (en) * | 2019-11-15 | 2020-01-21 | 嘉兴汇昌塑业有限公司 | Plastic septic tank capable of separating mud from water |
| CN111533242A (en) * | 2020-05-12 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | Ozone and ultraviolet combined disinfection device for sewage pipeline |
| CN111533242B (en) * | 2020-05-12 | 2021-03-19 | 上海市政工程设计研究总院（集团）有限公司 | Ozone and ultraviolet combined disinfection device for sewage pipeline |
| CN114301541A (en) * | 2022-01-11 | 2022-04-08 | 深圳市德拜科技有限公司 | Ultra-wideband underwater transducer and control method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180302 |
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| WW01 | Invention patent application withdrawn after publication |