CN1245778A - Sewage treatment installation - Google Patents
Sewage treatment installation Download PDFInfo
- Publication number
- CN1245778A CN1245778A CN99110168A CN99110168A CN1245778A CN 1245778 A CN1245778 A CN 1245778A CN 99110168 A CN99110168 A CN 99110168A CN 99110168 A CN99110168 A CN 99110168A CN 1245778 A CN1245778 A CN 1245778A
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- CN
- China
- Prior art keywords
- sewage
- groove
- electrode
- group
- mud
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/10—Handles
- B65D23/104—Handles formed separately
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Removal Of Specific Substances (AREA)
Abstract
To provide a sewage treatment apparatus capable of preventing the electric continuity phenomenon or passivation caused by various sludges accumulated on the bottom of a sewage housing tank to stably and certainly remove phosphoric acid in sewage. A sewage treatment apparatus D1 is equipped with a sewage housing tank 1, iron electrodes 2, 3, a DC power supply and a water current generating means. Inclined parts 6a, 7a are formed in the opposed side walls 6, 7 of the sewage housing tank 1 and one inclined part 7a guides sludges in the sewage to allow the sludge to slide down to the vicinity of the central part of a bottom wall 5 to deposit the same while the other inclined part 6a again guides the sludge deposited on the bottom wall 5 upwards by a circulating water current. An inclined part 5a is also formed in the bottom wall 5 to be downwards inclined from one inclined part 7a of side wall 7 to the other inclined part 6a. The water current generating means is equipped with a blower 13, an air supply pipe 14 and an air diffusing pipe 15 to generate a circulating water current for circulating sludge in an up and down direction.
Description
The present invention relates to waste disposal plant, more detailed it, relate to so that be contained in the phosphoric acid of sewage such as sanitary waste-water or sanitary wastewater with the reaction of metal ion that electrolysis is separated out the waste disposal plant of removal.
In the past, this kind waste disposal plant known have following described.
That is, be provided with the sewage accepting groove of the sewage of accommodating the desire processing, and in groove, set and form the electrode that metal constitutes by water-insoluble phosphoric acid salt more than one group, and between these electrodes, apply voltage, form metal ion in sewage and electrochemically separate out insoluble phosphate, use making phosphoric acid become water-insoluble phosphoric acid salt and precipitate removal.
In waste disposal plant so,, and pile up organic property mud in the bottom of sewage accepting groove or contain metal oxide or the inorganic nature mud of phosphoric acid salt etc. along with the carrying out of sewage disposal.And, then can cause to conduct, and the anxiety of separating out that partly stops desirable metal ion is arranged in its contact position if the mud of piling up touches electrode.
So conduct phenomenon if produce, then form the result of the solidity to corrosion oxide film thereon that is called as the passive state tunicle, reduce or stop the anxiety of separating out (passive stateization) that water-insoluble phosphoric acid salt forms metal ion and have in the surface of electrode.If cause so passive stateization, then be difficult to maybe can not make the phosphoric acid in the sewage to become water-insoluble phosphoric acid salt and remove it.
In view of this, problem of the present invention is to provide a kind of waste disposal plant, the various mud of the bottom that it can prevent to result to be piled up in the sewage accepting groove conduct phenomenon or passive stateization, and can stablize and positively remove phosphoric acid in the sewage.
According to the present invention, a kind of waste disposal plant is provided, it comprises: the sewage accepting groove has a diapire and two groups of opposing sidewalls; At least one group of electrode is equipped in this sewage accepting groove, and separates out iron ion or the aluminum ion of removing the phosphoric acid in the sewage in order to precipitation by electrolysis; Power supply is in order to supply with the electrolysis electric current to electrode; And the current generation device, produce and use so that be piled up in the circulating water flow of the mud of sewage accepting groove at the groove internal recycle; Wherein, be respectively equipped with rake, in order to mud being accumulated near the central authorities of diapire, or guide to the top by circulating water flow in the bottom of one of sewage accepting groove group opposing sidewalls; The current generation device has: the compressed air-feed fan is equipped on outside the groove; Air-supply duct is connected on this fan, in order to supply with pressurized air; Diffuser is connected on this air-supply duct, and is equipped on the groove inner bottom part, in order to by a plurality of holes that blow out the pressurized air that is supplied to is blown out towards oblique below.
The sewage accepting groove is accommodated the sewage that electrolysis is handled.Electrode is established group specified for the tabular thing of for example rectangle with two one assembly, and by electrolysis iron ion or aluminum ion is separated out to the sewage accepting groove.Power supply supply with electric current that electrolysis uses to each organize electrode.
One group of electrode is for for example both are iron (or aluminium) electrode, or one be iron (or aluminium) electrode, and another person is the insoluble petal electrode.In the former occasion,, can prevent the passive stateization of electrode by according to the desired reversal of poles of implementing electrode.In the latter's occasion, be used as anode with iron (or aluminium) electrode, and be used as negative electrode with the insoluble petal electrode.Wherein, the insoluble petal electrode for example is silver electrode or platinum electrode etc.Again, one group of electrode preferably is fixed on electrical insulating property dividing plate with handle portion etc., and mutual interval remains in necessarily.
Separate out iron ion or the phosphoric acid in aluminum ion and the sewage (former phosphoric acid) reaction by electrolysis, and become water-insoluble phosphorus compound (Fe (OH) in the sewage accepting groove
x(PO
4)
yOr Al (OH)
x(PO
4)
y) and condense, and then deposit buildup is in the sewage accepting groove.
The current generation device produces to be used so that be piled up in mud above-below direction round-robin circulating water flow in groove of sewage accepting groove.That is the current generation device has: the compressed air-feed fan is equipped on outside the groove; Air-supply duct is connected on this fan, and supplies with pressurized air; Diffuser is connected on this air-supply duct, and is equipped on the bottom in the groove, in order to by a plurality of holes that blow out the pressurized air that is supplied to is blown out towards oblique below.
By the circulating water flow that current generation device is so produced, a part that makes mud is not piled up and outstanding turbid in sewage, and is easy to the sewage outlet pipe via the sidewall that is arranged at the sewage accepting groove etc., and flows out to outside the groove.
Therefore, the various mud of the bottom that can prevent to result to be piled up in the sewage accepting groove conduct phenomenon or passive stateization, and can stablize and positively remove phosphoric acid in the sewage.
Bottom in one group opposing sidewalls of sewage accepting groove is respectively equipped with rake.These rakes are in order to being accumulated to mud near the central authorities of diapire, or guide to the top by circulating water flow.That is, a rake has the mud in the sewage is guided into landing near the central authorities of diapire and the function of piling up.Another rake has the function that near the mud of central authorities that will be piled up in diapire by circulating water flow re-boots to the top.
The angle of inclination of each rake (the formed angle of rake and horizontal plane) sets the group number or sets setting radical or setting the intensity of state, circulating water flow and direction waits and does suitable decision of state, air-supply duct or diffuser according to the size of sewage accepting groove, electrode.For example, about 40～60 degree.
Be better than most diapire according to waste disposal plant of the present invention and be provided with rake, guide to another rake by the rake in one group of opposing sidewalls in order to the mud that will be piled up in the sewage accepting groove.
The lopsidedness portion of this rake from one group of opposing sidewalls by bottom (mud is guided from the rake landing of sidewall and accumulation) towards its be by another rake by place, bottom (by circulating water flow mud being re-booted to the top locates) and downward-sloping.
By structure so, guide from the mud of a rake landing of sidewall to be directed again and from the rake landing of diapire, and be piled up in sidewall another rake by the diapire place.Therefore, easier circulating water flow by thereafter guides mud towards the top.
According to waste disposal plant of the present invention, it is desirable to electrode and be adapted to parallelly substantially with respect to the line that connects sewage inflow portion in the sewage accepting groove and sewage outflow portion, and diffuser is adapted to towards the direction parallel substantially with respect to the line that connects sewage inflow portion and sewage outflow portion and produces circulating water flow.Sewage inflow portion is flowed into the part of sewage accepting groove by the sewage inflow pipe on top that is equipped on a sidewall or top for for example sewage.Sewage outflow portion flows out to the part of the sewage outlet pipe on the top that is equipped on another sidewall for the sewage of for example accommodating concentrated flow from sewage.
If electrode and diffuser so constitute, then since the sewage that flows into the sewage accepting groove along flowing to swimmingly with respect to the electrode circulating water flow of parallel direction substantially, and substantially with respect to connecting of the line parallel ground circulation of sewage inflow portion, so the suitable person's circulating water flow of air that blows out by diffuser and clean expeditiously electrode surface with sewage outflow portion.Again, the mud that becomes outstanding turbid state arrive sewage outflow portion near the time, be easy to flow out to outside the groove via sewage outflow portion.
Wherein, preferably diffuser blow out hole system be arranged at electrode under, and each group electrode to be provided with two be one group, simultaneously these two one group blow out the hole towards inboard, oblique below and opening.These aperture positions that blow out the hole for example are arranged to respect to plumb line towards inboard skew angle several times.
By diffuser blow out the hole be arranged at electrode under, and each group electrode is provided with two one group, and utilizes by blowing out the air that the hole blows out, and then can clean the necessary part on the surface of the electrode in the sewage effectively.
Again, by two one group blow out the hole towards inboard, oblique below and opening, and can prevent the anxiety of the obstruction that blows out the hole that causes because of settled mud, blow out the air that the hole blows out towards the below by two simultaneously and at first in sewage, rise near each other.Therefore, by air blow out the following circulation of the current that produced, that is, rise at first near each otherly, then, leave mutually towards the direction of one group of opposing sidewalls, then, descend and near each other again along each sidewall of person.At this moment, because it is as above-mentioned, electrode is adapted to parallel substantially with respect to the line that connects sewage inflow portion and sewage outflow portion, so circulating water flow is according to the path of the bottom → inboard pars intermedia → inside upper part → inboard pars intermedia → bottom of the electrode in the sewage, and the major part of touching electrode surface equably substantially.Therefore, can there be the necessary part of cleaning electrode surface substantially according to circulating water flow with omitting.
Brief description of drawings is as follows:
Fig. 1 is the elevation cross-sectional view of the waste disposal plant of one embodiment of the invention;
Above serving as reasons, observes Fig. 2 the structure explanatory view of the waste disposal plant of Fig. 1;
Fig. 3 is the side cutaway view of the waste disposal plant of Fig. 1;
Fig. 4 is the amplification view of the part of the diffuser of the waste disposal plant of demonstration pie graph 1;
Fig. 5 is the elevation cross-sectional view of the diffuser of Fig. 4;
Fig. 6 is the structure explanatory view of inside of the merging treatment and purification groove of the waste disposal plant that is assembled with Fig. 1 by top view;
The structure explanatory view of the inside of the merging treatment and purification groove of observation Fig. 6 above Fig. 7 serves as reasons.
Below, with reference to accompanying drawing one embodiment of the invention are described.And these are not in order to limit the present invention.
As shown in Figure 1 to Figure 3, according to the waste disposal plant D of one embodiment of the invention
1Have: a sewage accepting groove 1, two groups of electrodes 2,3, keep body 4 in order to supply with electric current to direct supply (not shown) and electrode of each group electrode 2,3.
Each is organized electrode 2,3 and is the tabular iron plate of rectangle, and separates out in order to remove the iron ion of the phosphoric acid in the sewage by electrolysis.One group of electrode 2,3 is by the electrical insulating property dividing plate 12 of the polyvinyl chloride (PVC) RESINS system that is installed on their upper ends, and their interval is remained in necessarily.
This waste disposal plant D
1Has the current generation device.The current generation device produces with so that the mud that is piled up in sewage accepting groove 1 above-below direction round-robin circulating water flow (in Fig. 1 shown in the arrow of black) in groove.
That is to shown in Figure 5, the current generation device comprises as Fig. 1: compressed air-feed is equipped on outside the groove with fan 13 (shown in Figure 7); Air-supply duct 14 is connected on the fan 13, in order to supply with pressurized air; And diffuser 15, be connected on the air-supply duct 14, and be equipped on the interior bottom of groove with being square the frame shape, use so that the pressurized air that is supplied to is blown out towards oblique below by a plurality of hole 15a that blow out.
As shown in Figure 1, be respectively equipped with rake 6a, 7a in the bottom of one group of opposing sidewalls 6,7 of sewage accepting groove 1.One rake 7a has the mud in the sewage is guided into landing near the central authorities of diapire 5 and the function of piling up.Another rake 6a has the function that near the mud of central authorities that will be piled up in diapire 5 by circulating water flow re-boots to the top.The tilt angle alpha of these rakes 6a, 7a, β (the formed angle of rake 6a, 7a and horizontal plane) are 45 degree.
Diapire 5 also is provided with rake 5a.That is, rake 5a is whole across diapire 5, its by the rake 7a of a sidewall 7 by 5 places, bottom (mud is guided from the rake 7a landing of sidewall 7 and accumulation) towards the rake 6a of another sidewall 6 by 5 places, bottom (by circulating water flow re-boot to mud place, top) and downward-sloping.The angle of inclination γ of this rake 5a (the formed angle of rake 5a and horizontal plane) is about 5 degree.
As shown in Figure 2, two groups of electrodes 2,3 are adapted to substantially the line parallel with sewage inflow portion that is connected the sewage accepting groove and sewage outflow portion.
Again, diffuser 15 is adapted to towards producing circulating water flow with the direction of the line parallel that is connected sewage inflow portion and sewage outflow portion substantially.That is, diffuser 15 blow out hole 15a be arranged on electrode 2,3 under, and each group electrode 2,3 is provided with two one group, again, these two one group blow out hole 15a towards inboard, oblique below and opening.These aperture positions that blow out hole 15a for example are arranged at respect to plumb line towards inboard deviation angle δ (about 5 degree).
As Figure 6 and Figure 7, this waste disposal plant D
1Be assembled on the small-sized merging treatment and purification groove 101.
Discharge to outside Outlet Pipe 103 sides by inflow pipe 102 sides that flow into sanitary waste-water and sanitary wastewater blended sewage to the water that sewage disposal is finished within the purification tank 101, separate according to the process sequence of sewage disposal and form a plurality of grooves, form the groove structure.Symbol 104 is for separating the first anaerobic filter bed groove of the forefront that is formed at inflow pipe 102 sides.In this first anaerobic filter bed groove 104, will sneak in sanitary waste-water and the sanitary wastewater and inclusion that can not purifying treatment gives precipitate and separate and remove.
Be provided with first anaerobic filter bed 105 in the first anaerobic filter bed groove 104, and make microorganism perch, to implement anaerobic treatment in first anaerobic filter bed 105 as the filter bed of anerobe.The current of first anaerobic filter bed 105 when flowing into water or back washing waste water and temporarily flow into are rolled throw out, make it become suspended solid, flow out to next groove to suppress it, and then can reduce the load of next groove.
After the sewage of the first anaerobic filter bed groove 104 advection to the second anaerobic filter bed groove 106 via advection pipe 111 passes through anaerobic filter bed groove 107 with the stream that descends, deliver to a time aerobic filter bed groove 108 via advection pipe 114.
By second anaerobic filter bed 107 of being located at the second anaerobic filter bed groove 106, and seizure SS to a certain degree.The SS that is captured is anaerobic digestion and form dissolved matter gradually, or is used as mud and stores in the bottom of the second anaerobic filter bed groove 106.And in second anaerobic filter bed 107, the nitrogen of organic property is by the nitrogen of anaerobic digestion ammonification.
Be provided with aerobic filter bed 115 in aerobic filter bed groove 108 as the filter bed of aerobism microorganism, and by making the aerobism microorganism inhabit aerobic filter bed 115, and implement aerobic treatment.Near the bottom of aerobic filter bed groove 108, be equipped with the aeration tube 116 of aerating apparatus with the state of being horizontally set with.Aerating apparatus is by from aeration tube 116 blow out air, and supplies with the aerobism microorganism of oxygen to the aerobic filter bed 115 that inhabits aerobic filter bed groove 108.
Between an aerobic filter bed groove 108 and a time settling bath 117, except the bottom, separate by vertical next door 119.From the second anaerobic filter bed groove 106 via advection pipe 114 advection to the sewage of aerobic filter bed groove 108 with the stream that descends by behind the aerobic filter bed 115, be fed through a time settling bath 117.
By the top of top to the first anaerobic filter bed groove 104 of aerobic filter bed groove 108, be equipped with in order to send the sending of returning in the treating water of top primary water to return pipe 122.And from aerobic filter bed groove 108 and by primary water above riser tube 123 picked up via minute water metering device 124, send and return pipe 122 and be sent to waste disposal plant D
1, phosphorus supply is got back to the first anaerobic filter bed groove 104 after removing and handling.
According to the described sewage-treatment plant of first aspect present invention, comprising: the sewage accepting groove has one Diapire and two groups of relative sidewalls; At least one group of electrode is equipped on this sewage accepting groove, and comes by electrolysis Separate out iron ion or the aluminium ion of removing the phosphoric acid in the sewage in order to precipitation; Power supply is used in order to supply with electrolysis Electric current is to electrode; And water flow generating device, produce in order to the mud that will be piled up in the sewage accepting groove at groove The circulating water flow of interior circulation; Wherein, be respectively equipped with in the bottom of the relative sidewall of one of sewage accepting groove group Rake in order to mud being accumulated near the central authorities of diapire, or guides mud by circulating water flow To the top; Water flow generating device has: compressed air is supplied with and is used pressure fan, is equipped on outside the groove; Air supply pipe, Be connected on this pressure fan, and supply with compressed air; Diffusing tracheae is connected on this air supply pipe, and sets Bottom in groove is in order to be blown out the compressed air that is supplied to by a plurality of holes that blow out towards oblique below. Foundation So structure by the circulating water flow that water flow generating device produces, makes an one of mud in the sewage Divide and not pile up and outstanding turbid in sewage, and the rake of a sidewall has mud is guided into landing to diapire Central authorities near and the function of piling up, and the rake of another sidewall has by circulating water flow and will pile up Near the central authorities of diapire mud re-boots to the function of top. Therefore, the mud in the sewage be easy to through By the sewage effuser of sidewall that is arranged at the sewage accepting groove etc. and flow out to outside the groove, can prevent from resulting from heap Contamination mud conduct phenomenon or passive state, and then can stablize and positively remove phosphoric acid in the sewage.
According to the described sewage-treatment plant of second aspect present invention, be provided with rake in diapire, in order to incite somebody to action The mud that is piled up in the sewage accepting groove guides to another inclination by the rake in one group of relative sidewall Section. Therefore, guide into and be directed into again further from diapire from the mud of a rake landing of sidewall The rake landing, and be piled up in sidewall another rake by the diapire place. Therefore, easier guiding base In the movement towards the top of the mud of thereafter circulating water flow, and can more positively reach the present invention first The above-mentioned effect that the aspect reaches.
According to the described sewage-treatment plant of third aspect present invention, electrode is adapted to respect to connecting sewage The line of the sewage inflow section in the accepting groove and sewage outflow section is substantially parallel, and diffusing tracheae is adapted to towards phase Produce circulating water flow for the parallel direction of line cardinal principle that connects sewage inflow section and sewage outflow section. Cause This is because the sewage that flows into the sewage accepting groove is along flowing to swimmingly with respect to electrode parallel side substantially To circulating water flow, and substantially with respect to the line parallel that connects sewage inflow section and sewage outflow section follow Ring is so can effectively clean the electrode surface by the air that the tracheae that looses blows out along person's circulating water flow. Become again, For the mud of outstanding turbid state arrive sewage outflow section near the time, be easy to flow out via sewage outflow section To groove.
According to the described sewage-treatment plant of fourth aspect present invention, the hole that blows out of the tracheae that looses is arranged at electrode Under, and each group electrode arranges two one group, simultaneously these two one group blow out the hole towards tiltedly Below inboard and opening. Therefore, can prevent the anxiety of the obstruction that blows out the hole that the mud because of sedimentation causes, Simultaneously by be arranged at electrode under and each group electrode two one group the hole that blows out be set blow out Air, and can effectively clean the necessary part on the surface of the electrode in the sewage, again, by substantially all Etc. ground touch the most circulating water flow on electrode surface, do not clean the electrode surface and can substantially have with omitting Necessary part.
Claims (4)
1. waste disposal plant comprises:
The sewage accepting groove has a diapire and two groups of opposing sidewalls;
At least one group of electrode is equipped in this sewage accepting groove, and separates out iron ion or the aluminum ion of removing the phosphoric acid in the sewage in order to precipitation by electrolysis;
Power supply flow to electrode in order to supply with the electrolysis electricity consumption; And
The current generation device produces and uses so that be piled up in the circulating water flow of the mud of sewage accepting groove at the groove internal recycle;
It is characterized in that, be respectively equipped with rake, in order to mud being accumulated near the central authorities of diapire, or by circulating water flow mud guided to the top in the bottom of one group of opposing sidewalls of sewage accepting groove;
The current generation device has: the compressed air-feed fan is equipped on outside the groove; Air-supply duct is connected on this fan, and supplies with pressurized air; Diffuser is connected on the described air-supply duct, and is equipped on the bottom in the groove, in order to by a plurality of holes that blow out the pressurized air that is supplied to is blown out towards oblique below.
2. waste disposal plant as claimed in claim 1 is characterized in that, is provided with rake in diapire, guides to another rake in order to the mud that will be piled up in the sewage accepting groove by the rake in one group of opposing sidewalls.
3. waste disposal plant as claimed in claim 1 or 2, it is characterized in that, electrode is adapted to parallel substantially with respect to the line of sewage inflow portion in the connection sewage accepting groove and sewage outflow portion, and diffuser is adapted to towards the direction parallel substantially with respect to the line that connects sewage inflow portion and sewage outflow portion and produces circulating water flow.
4. waste disposal plant as claimed in claim 3 is characterized in that, diffuser blow out the hole be arranged at electrode under, and each group electrode is provided with two one group, simultaneously these two one group blow out the hole towards inboard, oblique below and opening.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19167098A JP3948832B2 (en) | 1998-07-07 | 1998-07-07 | Sewage treatment equipment |
| JP191670/1998 | 1998-07-07 | ||
| JP191670/98 | 1998-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1245778A true CN1245778A (en) | 2000-03-01 |
| CN1096423C CN1096423C (en) | 2002-12-18 |
Family
ID=16278512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99110168A Expired - Fee Related CN1096423C (en) | 1998-07-07 | 1999-07-05 | Sewage treatment installation |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3948832B2 (en) |
| KR (1) | KR100303233B1 (en) |
| CN (1) | CN1096423C (en) |
| TW (1) | TW546258B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303004C (en) * | 2003-01-29 | 2007-03-07 | 松村正利 | Method of electrolytic treatment of industrial or aquaculture waste water |
| CN105169733A (en) * | 2015-10-10 | 2015-12-23 | 宝应创业水务有限责任公司 | Movable type aeration device for aeration tank slope in Biolak sewage treatment process |
| CN109553165A (en) * | 2017-09-27 | 2019-04-02 | 李硕仁 | The wastewater treatment equipment of high pressure gas can be passed through |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4548955B2 (en) * | 2001-03-14 | 2010-09-22 | 三洋電機株式会社 | Electrolyzer for sewage treatment equipment |
| JP3768128B2 (en) * | 2001-09-04 | 2006-04-19 | 三洋電機株式会社 | Water treatment equipment |
| JP6001295B2 (en) * | 2012-03-28 | 2016-10-05 | フジクリーン工業株式会社 | Water treatment equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013029A1 (en) * | 1990-02-28 | 1991-09-05 | Wilfred Anthony Murrell | Water cleaning system |
-
1998
- 1998-07-07 JP JP19167098A patent/JP3948832B2/en not_active Expired - Fee Related
-
1999
- 1999-06-17 TW TW088110210A patent/TW546258B/en active
- 1999-06-30 KR KR1019990025600A patent/KR100303233B1/en not_active IP Right Cessation
- 1999-07-05 CN CN99110168A patent/CN1096423C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303004C (en) * | 2003-01-29 | 2007-03-07 | 松村正利 | Method of electrolytic treatment of industrial or aquaculture waste water |
| CN105169733A (en) * | 2015-10-10 | 2015-12-23 | 宝应创业水务有限责任公司 | Movable type aeration device for aeration tank slope in Biolak sewage treatment process |
| CN105169733B (en) * | 2015-10-10 | 2017-03-22 | 宝应创业水务有限责任公司 | Movable type aeration device for aeration tank slope in Biolak sewage treatment process |
| CN109553165A (en) * | 2017-09-27 | 2019-04-02 | 李硕仁 | The wastewater treatment equipment of high pressure gas can be passed through |
Also Published As
| Publication number | Publication date |
|---|---|
| TW546258B (en) | 2003-08-11 |
| JP3948832B2 (en) | 2007-07-25 |
| CN1096423C (en) | 2002-12-18 |
| KR100303233B1 (en) | 2001-09-24 |
| JP2000015266A (en) | 2000-01-18 |
| KR20000011361A (en) | 2000-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021218 Termination date: 20110705 |