CN1257114C - Treating cabin for purifying floating water quality - Google Patents
Treating cabin for purifying floating water quality Download PDFInfo
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- CN1257114C CN1257114C CNB2003101172914A CN200310117291A CN1257114C CN 1257114 C CN1257114 C CN 1257114C CN B2003101172914 A CNB2003101172914 A CN B2003101172914A CN 200310117291 A CN200310117291 A CN 200310117291A CN 1257114 C CN1257114 C CN 1257114C
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- cabin
- water
- water quality
- purification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The present invention relates to a floating treating cabin for purifying water quality, which comprises a closed cabin body with an air inlet at the upper part, wherein the lower part of the cabin body is provided with an air pipeline network; air outlet nozzles communicated with the air pipeline network are distributed at the outside surface below a waterline of the cabin body; an air compressor with the outlet communicated with an inlet of the air pipeline network and a power supply device are arranged in the cabin body, and the power source end of the air compressor is connected with the output end of the power supply device. Through comprehensive purification treatment, the present invention cleans and purifies water quality, and moreover, the present invention not only can control polluted water quality but also can provide and keep the natural ecological environment of water areas.
Description
Technical field
The present invention relates to a kind of purification of water quality and handle the cabin, especially a kind ofly can swim in the water surface, its inside is equipped with the unsteady purification of water quality of biopurification treatment trough and sterilization algae removal device and handles the cabin.Belong to environmental protection technical field.
Background technology
The purification of water quality of natural water area is handled problems has become one of important topic of whole world environmental science worker at present.Develop rapidly along with modern industry, the waste water that numerous manufacturing enterprises discharge in Industrial processes is just constantly threatening the water quality of natural water area, simultaneously, because sanitary sewage discharging and the change of water quality that caused rivers, lake because of the variation of natural environmental condition too.
In the landlocked freshwater lake, prolific algae bio has caused the reduction of water oxygen content, has grown a large amount of unwanted bacterias simultaneously, and constantly waste water, the sewage of discharging make water quality condition worsen more.Flow velocity is polluted the air ambient in city owing to unpleasant gas is emitted in the deterioration of water quality condition in the river slowly in the city.
Though at present the sewage of industry, life discharging has been set up many limitation standards,, for various reasons, the basic variation of water quality condition generation still useless.The purifying treatment in contaminated waters does not have the effect ideal method at present yet.
At present,, adopt usually manually the floating algae of the water surface, water-bed mud are salvaged cleaning, still, but be subjected to the restriction and the excessive influence of water surface area of man efficiency for the purifying treatment of landlocked rivers and lakes water quality.Even adopt the large-area artificial cleaning of concentrating, also can only accomplish the effect that short-term water quality is good.
The method that another kind purifies water is to adopt the purification of water quality ship to carry out direct purification on the water to handle.Watercourse aeration equipment is installed on the purification of water quality ship.With pump water is extracted on the ship,, the more sufficient water of dissolved oxygen is sprayed in river or the lake through pressurization and by carrying out the intensive turbulent mixing behind the Venturi meter notes oxygen.This method can only provide oxygen in water, purification to water quality has certain effect, but can not directly clear up the organic and inorganic dirt in the water, simultaneously, it must be by manually controlling, and efficient is low and need constantly carry out the artificial supplementation energy (fuel oil of hull engine) by the external world.Therefore, the purification of water quality of this single mode is handled and can not be reached comparatively ideal purification of water quality requirement equally.
Summary of the invention
The objective of the invention is at the pollution situation of above-mentioned natural water area and still not having preferably inner waters purification of water quality means at present provides a kind of unsteady purification of water quality to handle the cabin, this processing cabin need not manual control, the energy that swims in the water surface and utilize number of ways to provide, the biopurification treatment unit that is provided with in the body of cabin, oxidation sterilizing aerating apparatus and reoxygenation device carry out comprehensive purifying to water quality to be handled, not only can kill multiple unwanted bacteria and algae bio in the water, make and be dissolved with enough oxygen in the water, and can also make inorganic in the water, organic pollution materials is degraded, eliminate, thus the natural ecological environment of recovery inner waters.
The objective of the invention is to be achieved through the following technical solutions:
A kind of unsteady purification of water quality is handled the cabin, and it is the closed cabin body that top is provided with inlet mouth, and the bottom of cabin body is provided with the air line net, and the following outer surface of this cabin body water line is distributed with the outlet nozzle that is communicated with described air line net.Air compressor and power-supply unit are installed in the body of cabin, and the outlet of air compressor is communicated with the air line web portal.The power end of air compressor is connected with the output terminal of power-supply unit.
Air line net, outlet nozzle will spray into from the high-pressure air of air compressor in the water, increase the oxygen content in the water, for aquatic animals and plants provides abundant oxygen branch, keep good physical environment under water.
Have floating algae or be easy to generate the waters of algae bio for the surface, waters, aerated conduit and binary gas generating unit can also be set in the body of cabin.Surface mounting below the external side water line in cabin has the aeration mouth of external aeration more than, and the aeration inlet end of this aeration mouth is communicated with described aerated conduit.The outlet of binary gas generating unit and described air compressor is connected with the inlet of described aerated conduit.The output terminal of power-supply unit is connected with the power end of described binary gas generating unit.
The aeration mouth can be arranged near water surface place.The binary gas generating unit produces ozone gas, chlorine dioxide and the extremely strong free radical of oxidation capacity.Algae bio is killed under the environment of strong oxidation, and sunlight can be injected in the water, makes the plant in the water can produce photosynthesis.
For contaminated waters, the multi-stage biological reactor can be set in the body of cabin.Body water line following surface in cabin is provided with water-in, and this water-in is connected with the inlet of multi-stage biological reactor by water inlet pipe, intake pump.The outlet of multi-stage biological reactor is connected by rising pipe, wet-pit and the water outlet that is arranged on the cabin external surface.The outlet of air compressor also is communicated with the gas inlet of multi-stage biological reactor.
The multi-stage biological reactor is the eddy current biological reaction tank, and this eddy current biological reaction tank inside is split to form three groove chambers with dividing plate.Offering on the dividing plate supplies water flows the hole that is entered the adjacent slot chamber by a groove chamber.Indoor porous crack polymer carrier and the bacterial classification of all being placed with of all grooves.Bacterial classification is divided into anaerobic species, aerobic bacterial classification and the oxygen bacterial classification of holding concurrently.The groove chamber of placing anaerobic species is an anaerobic room; The groove chamber of placing aerobic bacterial classification is an aerobic room; The groove chamber of placing the oxygen bacterial classification of holding concurrently is the oxygen chamber of holding concurrently.
The water that pollutes is admitted to the multi-stage biological reactor by water inlet pipe, intake pump, processing is degraded, eliminated to the anaerobic species that this multi-stage biological reactor is put into by its inside, aerobic bacterial classification and the oxygen bacterial classification of holding concurrently to the organic and inorganic pollutent that water contained, water after the processing is then entered in the waters again by rising pipe, wet-pit, so constantly circular treatment is purified contaminated water quality.
As shown from the above technical solution, the cabin body that the present invention will be equipped with the purification of water quality treatment facility swims in the waters that needs purifying treatment, handle by comprehensive purifying, kill except phycophyta that the water surface covers, eliminated the pollution substance in the water and the oxygen level in the water is greatly enhanced, make water quality obtain cleaning, purification, place it in landlocked rivers and lakes and artificical stream, the breed waters, not only can administer contaminated water quality, can also provide and keep the natural ecological environment in waters, have great practical value.
Description of drawings
Fig. 1 is a preferred embodiment structural representation provided by the present invention;
Fig. 2 is the synoptic diagram that is provided with of air line net in embodiment illustrated in fig. 1;
Fig. 3 is another preferred embodiment structural representation provided by the present invention;
Fig. 4 is the structural representation of middle binary gas generating unit embodiment illustrated in fig. 3;
Fig. 5 is another preferred embodiment structural representation provided by the present invention;
Fig. 6 is the structural representation of middle multi-stage biological reactor embodiment illustrated in fig. 5.
Embodiment
Below, also the present invention is described in further detail in conjunction with the accompanying drawings by three specific embodiments.
Embodiment one
When the oxygen content in the water is low, water quality will worsen, and at this moment, can adopt present embodiment to carry out reoxygenation.
The profile of present embodiment is a sphere, is the cabin body that adopts glass reinforced plastic to make, as shown in Figure 1.Among the figure, cabin body 1 is made up of episphere, the airtight fastening of lower semisphere.Be provided with inlet mouth 11 at the top of episphere.The tip shelf of inlet mouth 11 is provided with and is used for rainproof bucker 111.The bottom of cabin body 1 is provided with air line net 2 (being the cross section of a plurality of pipelines shown in the figure), and this air line net 2 is made up of one group of ring pipe that is communicated with, and is fixed on the inner surface of cabin body 1 bottom.Outer surface below the water line (A place among the figure) of cabin body 1 is distributed with a plurality of outlet nozzles 21, and each outlet nozzle 21 all is communicated with air line net 2.
In the present embodiment, the laying structure of air line net 2 can be referring to accompanying drawing 2.Among Fig. 2, the air line net is made up of four layers of circular pipeline, and all passes through a pipe connecting 22 with all circular pipelines connections between every layer of adjacent pipeline.Outlet nozzle 21 is evenly distributed on the bottom of cabin external surface, and is communicated with circular pipeline.
In use, cabin body 1 is put into water, behind the unlatching air compressor 3, high pressure gas enter by the inlet 23 of pipeline 31 by air line net 2, then by each outlet nozzle 21 aeration in water.In the concrete installation of outlet nozzle 21, outlet nozzle 21 can be arranged in the radiation mode along the surface of cabin body, make the better effects if of aeration oxygenation.
Embodiment two
In the foregoing description one, both can kill the water surface and floated algae by increasing equipment such as binary gas generating unit, aerated conduit and aeration mouth, just can making, again can be in water the present embodiment of oxygenation.
As shown in Figure 3.Present embodiment is set up an aerated conduit 5 in the outside of about 5 centimeters in water line (A point place among the figure) below of cabin body 1, this aerated conduit 5 is looped around the outside of cabin body 1, and is connected by the air outlet 61 of the binary gas generating unit 6 set up in an escape pipe 51 and the cabin body 1.
Also established a special-purpose air pump 7 in the cabin body 1 in addition.The outlet of this special use air pump 7 connects the gas inlet 62 of binary gas generating unit 6.
Surperficial uniform distribution at aerated conduit 5 is provided with the aeration mouth, and this aeration mouth is divided into to the horizontal aeration mouth 52 of horizontal direction aeration and the vertical aeration mouth 53 of aeration vertically downward.The inlet end of all aeration mouths all is communicated with aerated conduit 5.
The electric power of binary gas generating unit 6 and special-purpose air pump 7 is from store battery 4.
Binary gas generating unit in the present embodiment is ozone-chlorine dioxide mixing generating unit, and the structure of this device as shown in Figure 4.Among the figure, binary gas generating unit 6 mainly is to be made of ozone gas-chlorine dioxide electrolyzer 63 and mixing section 64.In ozone gas-chlorine dioxide electrolyzer 63, negative plate 631, positive plate 632 are immersed in the electrolyte solution, energising back produces ozone gas, chlorine dioxide, and these two kinds of gases enter mixing section 64 and have an effect and produce the free radical with strong oxidation capacity.Special-purpose air pump 7 is sent high-pressure air into mixing section 64 by gas inlet 62, and enters escape pipe 51 by air outlet 61, provides strong oxidizing gas by aerated conduit 5 and horizontal aeration mouth 52, vertical aeration mouth 53 to the water surface, will float algae and kill.
In 6 non-stop runs of binary gas generating unit, for keeping the concentration of electrolyte solution, auto-feeding device 65 also is installed in the outside of electrolyzer 63, this auto-feeding device 65 can be regularly, quantitative electrolyte supplement in electrolyzer 63.
Embodiment three
For the more serious waters of pollution situation, only in water oxygenation, remove the surface algae water quality is purified, also must eliminate the organic and inorganic pollutent that contains in the water, can recover natural ecological environment under water, therefore, in the foregoing description two, can also increase by a cover multi-stage biological purification system and form present embodiment.Present embodiment can also be eliminated organic and inorganic pollutent in the water except that having for oxygen being provided in the water and going out except that the function of floating algae.
The structure of present embodiment as shown in Figure 5.The multi-stage biological purification system is made up of the multi-stage biological reactor 8, the water pump 9 that are installed in the cabin body 1.Water line (A point place among the figure) below at cabin body 1 is provided with a water-in 91, and the inlet of water pump 9 is connected with this water-in 91 by water pipe 92.The outlet of water pump 9 connects the inlet 81 of multi-stage biological reactor 8.The outlet 82 of multi-stage biological reactor 8 is connected to the water outlet 84 that is arranged on cabin body 1 water line top by another water pipe 83.The power end of water pump 9 is connected with store battery 4.
When present embodiment when water float is worked, water pump 9 will contain in the water suction cabin body 1 of pollution substance and send in the multi-stage biological reactor 8 by water-in 91.Organic and inorganic pollutent biodegrade in 8 pairs of water of multi-stage biological reactor, elimination purifying treatment, the water after the purification arrives water outlets 84 by outlet 82 by another water pipe 83, and enters in the water thus.By continuous purifying treatment, just can progressively eliminate the pollutent in the water, water quality is purified.
For the electric power that can use for a long time energy is provided, the first half of present embodiment adopts transparent material to make, and with its inner surface solar panel 10 (part only is shown among the figure) that all is sticked.Solar panel 10 is connected with store battery 4.When sunlight was relatively more sufficient, solar panel 10 was store battery 4 chargings for the equipment in the cabin body 1 provides the energy simultaneously.Thereby make the present embodiment can non-stop run.
The structure of the multi-stage biological reactor 8 that present embodiment adopted as shown in Figure 6.
Multi-stage biological reactor 8 is cell bodies of a sealing, its inside is divided into three groove chambers by two dividing plates that fixedly install 85, be placed with mushy polystyrene filler 101 respectively in these three groove chambers, simultaneously, in three groove chambers, also place anaerobic species 102, aerobic bacterial classification 103, double oxygen bacterial classification 104 respectively, constitute anaerobic room 86, aerobic room 87, double oxygen chamber 88.
In addition, all being provided with one group in each groove chamber can make current with eddy current rotation mode mobile combined vortex plate 89.Combined vortex plate 89 is the one group of dividing plate with same tilt angle that is installed on the groove chamber interior walls, this group dividing plate connects and composes spirrillum from beginning to end, its purpose be to make the sewage that enters in flowing, be subjected to this group dividing plate barrier effect and along the angle of inclination rotational flow of combined vortex plate 89, thereby produce eddying effect.Adopt the benefit of combined vortex plate 89 to be, not only can improve the velocity of flow of sewage, improve the purifying treatment ability of present embodiment, and the dirt in the water can be contacted with bacterial classification more fully, bacterial classification can not washed away again simultaneously sewage.
When handling, water at first enters anaerobic room 86 by water-in 81, and the dividing plate 85 between anaerobic room 86 and aerobic room 87 is positioned at the hole 851 that offers the adjacent aerobic room 87 of inflow that supplies water away from the other end place of water-in 81.On the dividing plate 85 between aerobic room 87 and the double oxygen chamber 88, an end that is positioned at away from hole 851 offers another hole 852.The water outlet 82 of multi-stage biological reactor 8 is arranged on the end of oxygen chamber 88 away from another hole 852 of holding concurrently.Water after the purification is discharged by water outlet 82.
Position by hole on the dividing plate 85 is provided with, and processed sewage can be moved at multi-stage biological reactor 8 introversion bafflings, and each groove chamber of fully flowing through makes biological degradation, purifying treatment better effects if.
In addition, have higher processing efficiency, can offer venting hole at the top of anaerobic room and will react the oxygen discharge that is produced, for anaerobic species provides oxygen-free environment preferably for making the multi-stage biological reactor; The gas-adding pipe that the surface is provided with pore can also be installed in bottom in aerobic room, gas-adding pipe is communicated with the air outlet of air compressor, for aerobic bacterial classification provides competent oxygen.
The foregoing description one, embodiment two also can make the cabin body first half transparent, and in inside solar panel are installed.Can increase by a cover fuel electric generator among all embodiment as the case may be again and competent energy is provided, simultaneously, all right erecting equipment telepilot is so that control working condition of the present invention.
The present invention can increase flexibly according to the pollution situation in concrete waters or reduce facility, to adapt to concrete purification of water quality requirement.The present invention has higher working efficiency, need not manual operation, can make different shape, and can make large, medium and small various model as required.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (14)
1, a kind of unsteady purification of water quality is handled the cabin, it is characterized in that: it comprises that top is provided with the airtight cabin body of inlet mouth, the bottom of cabin body is provided with the air line net, and the following outer surface of this cabin body water line is distributed with the outlet nozzle that is communicated with described air line net; Air compressor and power-supply unit that outlet is communicated with described air line web portal are installed in the body of described cabin; The power end of described air compressor is connected with the output terminal of described power-supply unit.
2, unsteady purification of water quality according to claim 1 is handled the cabin, and it is characterized in that: described power-supply unit is store battery or fuel electric generator or its combination.
3, unsteady purification of water quality according to claim 2 is handled the cabin, and it is characterized in that: the first half of described cabin body is a transparent material, its inner surface solar panel that has been sticked, and this solar panel is connected with described store battery.
4, unsteady purification of water quality according to claim 1 is handled the cabin, it is characterized in that: described cabin body is spherical or prismatic or truncated cone-shaped.
5, unsteady purification of water quality according to claim 1 is handled the cabin, and it is characterized in that: the pipeline of described air line net is sticked and is fixed on the inboard or the outer surface of body bottom, described cabin.
6, handle the cabin according to the arbitrary described unsteady purification of water quality of claim 1-5, it is characterized in that: described cabin body also is provided with aerated conduit and binary gas generating unit, its outside following surface mounting of water line has the aeration mouth of external aeration more than, and the aeration inlet of this aeration mouth is communicated with described aerated conduit; Described aerated conduit ring week fixedly is sticked on the inboard or outer surface of cabin body; The air outlet of described binary gas generating unit is connected with the inlet of described aerated conduit; The outlet of described air compressor is connected with the gas inlet of binary gas generating unit; The output terminal of described power-supply unit is connected with the power end of described binary gas generating unit.
7, unsteady purification of water quality according to claim 6 is handled the cabin, it is characterized in that: also be provided with another special-purpose air pump in the body of described cabin, the outlet of this special use air pump is connected with the gas inlet of described binary gas generating unit, and when being connected with described gas inlet of this special use air pump, the outlet of described air compressor no longer is connected with described gas inlet.
8, unsteady purification of water quality according to claim 6 is handled the cabin, it is characterized in that: described aeration mouth comprises to the horizontal aeration mouth of horizontal direction aeration and the vertical aeration mouth of aeration vertically downward.
9, unsteady purification of water quality according to claim 6 is handled the cabin, and it is characterized in that: described binary gas generating unit comprises ozone gas generation electrolyzer, the chlorine dioxide generation electrolyzer that is used to generate the binary gas mixing reactor of free radical and is communicated with it respectively; The outlet of described binary gas mixing reactor is the air outlet of described binary gas generating unit.
10, unsteady purification of water quality according to claim 1 is handled the cabin, it is characterized in that: also be provided with the multi-stage biological reactor in the body of described cabin; Body water line following surface in described cabin is provided with water-in, and this water-in is connected with the inlet of described multi-stage biological reactor by water inlet pipe, intake pump; The outlet of described multi-stage biological reactor is connected with the water outlet that is arranged on the cabin external surface by rising pipe.
11, unsteady purification of water quality according to claim 6 is handled the cabin, it is characterized in that: also be provided with the multi-stage biological reactor in the body of described cabin; Body water line following surface in described cabin is provided with water-in, and this water-in is connected with the inlet of described multi-stage biological reactor by water inlet pipe, intake pump; The outlet of described multi-stage biological reactor is connected with the water outlet that is arranged on the cabin external surface by rising pipe.
12, handle the cabin according to claim 10 or 11 described unsteady purification of water qualitys, it is characterized in that: described multi-stage biological reactor is the eddy current biological reaction tank, and this eddy current biological reaction tank is that inside is split to form the combined treatment groove with three groove chambers with dividing plate; Offering on the described dividing plate supplies water flows the hole that is entered the adjacent slot chamber by a groove chamber; Indoor porous crack polymer carrier and the bacterial classification of all being placed with of all grooves; The groove chamber of placing anaerobic species is an anaerobic room; The groove chamber of placing aerobic bacterial classification is an aerobic room; The groove chamber of placing the oxygen bacterial classification of holding concurrently is the oxygen chamber of holding concurrently.
13, unsteady purification of water quality according to claim 12 is handled the cabin, it is characterized in that: described groove is indoor also to be installed with one or more groups and to make current indoor with eddy current rotation mode mobile combined vortex plate at groove; Described porous crack polymer carrier and bacterial classification are placed in the gap of combined vortex plate.
14, unsteady purification of water quality according to claim 12 is handled the cabin, and it is characterized in that: the top of described anaerobic room or lateral top also offer and the indoor venting hole that is communicated with; Bottom in the described aerobic room also is equipped with the inlet pipe that the surface is provided with an above pore, and the inlet mouth of this inlet pipe is connected with the air outlet of described air compressor; The muffler that is provided with its internal communication is also extended on the top of aerobic room or top, side, and this muffler is connected described inlet pipe and is positioned on the pipeline section of aerobic room outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101172914A CN1257114C (en) | 2003-12-10 | 2003-12-10 | Treating cabin for purifying floating water quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101172914A CN1257114C (en) | 2003-12-10 | 2003-12-10 | Treating cabin for purifying floating water quality |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626461A CN1626461A (en) | 2005-06-15 |
| CN1257114C true CN1257114C (en) | 2006-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101172914A Expired - Fee Related CN1257114C (en) | 2003-12-10 | 2003-12-10 | Treating cabin for purifying floating water quality |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583832B (en) * | 2012-03-11 | 2013-06-19 | 云南泛亚能源科技有限公司 | Floating and moving type water purifier |
| CN105084588B (en) * | 2015-08-03 | 2018-07-17 | 南京天河水环境科技有限公司 | The back-washing method of float type water processing equipment, method for treating water and the equipment |
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2003
- 2003-12-10 CN CNB2003101172914A patent/CN1257114C/en not_active Expired - Fee Related
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Granted publication date: 20060524 Termination date: 20131210 |