CN207259324U - Three-diemsnional electrode A/O integral type BAF Treated sewage reusing devices - Google Patents
Three-diemsnional electrode A/O integral type BAF Treated sewage reusing devices Download PDFInfo
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- CN207259324U CN207259324U CN201720869085.6U CN201720869085U CN207259324U CN 207259324 U CN207259324 U CN 207259324U CN 201720869085 U CN201720869085 U CN 201720869085U CN 207259324 U CN207259324 U CN 207259324U
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- water
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- backwash
- treated sewage
- sewage reusing
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Abstract
The utility model discloses a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices, including housing, water tank, overflow water receiving case, raw water box and backwash air pump, distributing water room, supporting layer, anoxic zone, aerobic zone and clear water zone are equipped with housing, anoxic zone inside aerobic zone with being equipped with filter material layer；Distributing water room is equipped with blow-down pipe, backwash air inlet pipe, backwash water inlet pipe and A water inlet pipes；Anoxic zone and aerobic zone are equipped with sample tap, and aerobic zone is equipped with aerator；Effluent weir is equipped with the top of clear water zone, water outlet is equipped with the right side of effluent weir；Water tank is equipped with nitrification liquid reflux pump and B outlet pipes, and overflow water receiving case is equipped with booster pump, and aerobic zone inner wall is equipped with support face, and support face is equipped with electrode plate with holes, filling activated carbon in it, and is connected with direct current electric wire connector.The present apparatus on existing A/O integral types BAF Treated sewage reusing devices on the basis of combine three-diemsnional electrode, extend the service life of biomembrane, improve sewage treating efficiency.
Description
Technical field
A kind of A/O integral types BAF Treated sewage reusing devices are the utility model is related to, are specifically a kind of three-diemsnional electrode A/O one
Formula BAF Treated sewage reusing devices, belong to technical field of sewage.
Background technology
About 2.8 trillion m of China's gross amount of water resources3, the 6th, the world is occupied, but due to populous, water resource of per capita
Only the 1/4 of world average level, is one of country of water shortage the most in the world.Whole nation year water consumption is about 560,000,000,000 at present
m3, water resource economics high-strung level in having had reached, economy, social life have begun to influence ecology
Water is needed, environmental problem caused by water resource excessive use starts to show.In face of requirement of the people for living environment quality increasingly
Lifting and the inevitable requirement of city image shaping, solve the problems, such as that city domestic sewage is extremely urgent.Solve urban water shortage and water quality
One important channel of pollution is Treated sewage reusing.
It should meet for general landscape ecological water《Reclaimed water reuse is in the water standard of landscape water body》(CJ/T95-
2000) Ministry of Construction should, be met for reclaimed water《Miscellaneous domestic water quality standard》(CJ/48-1999), for industrial cycle
Cooling water should meet《Industrial circulating water Cooling Design specification》(GB/T50102-2003).
Treated sewage reusing mostly uses biofilm at present, and such a method is that sewage is carried out by film bioreactor device
Processing, can be carried out efficiently separation of solid and liquid, separating technology is simple, and floor space is small, and effluent quality is good, is generally not necessary to through three-level
Processing can reuse, but be the defects of this method：System investment cost utility model is higher, the specific surface area of carrier material
Small, reaction unit limited volume, space efficiency are low, and in Treating Municipal Sewage, treatment effeciency specific activity sludge is low, later stage dimension
Shield is more complicated.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, technical problem to be solved in the utility model is to provide a kind of three-dimensional
Electrode A/O integral type BAF Treated sewage reusing devices, its space efficiency is high, and sewage treating efficiency is high, and easy to operate, economical and practical,
Easy to safeguard.
To achieve the above object, a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusings dress of the utility model utility model
Put, including housing, water tank, overflow water receiving case, raw water box and backwash air pump, the enclosure interior are equipped with successively from bottom to up
Distributing water room, supporting layer, anoxic zone, aerobic zone and clear water zone, wherein leave gap between clear water zone upper surface and case top, lack
Oxygen area inside aerobic zone with being equipped with filter material layer；
The distributing water room is equipped with blow-down pipe, backwash air inlet pipe and A water inlet pipes, and the distributing water room is by backwashing air inlet pipe
Reversed flushing air pump, the blow-down pipe are arranged on distributing water room bottom, which is provided with A valves；The distributing water room connects original by A water inlet pipes
Water tank, the A water inlet pipes are equipped with total inlet valve；Total pipeline between inlet valve and distributing water room is equipped with flow of inlet water
Meter；
The anoxic zone and aerobic zone are equipped with sample tap, and the aerobic zone bottom is provided with aerator, the aerator
Aeration tube is connected to, the aeration tube is arranged on hull outside；The aeration tube is equipped with aerobic BAF gas flowmeters；
Effluent weir is equipped with the top of the clear water zone, is equipped with water outlet on the right side of effluent weir, water outlet is connected to A outlet pipes, and leads to
Cross A outlet pipes and pick out water tank, triple valve I and backwash outlet valve are set on the A outlet pipes, between triple valve I and water tank
Pipeline be equipped with C valves；The triple valve is connected to outlet pipe, which is provided with backwash outlet valve；
Backwash pump and B outlet pipes are equipped with the water tank, the backwash pump is connected to C water pipes, and passes through C water
Pipe connects overflow water receiving case, and the C water pipes are equipped with B valves, triple valve II is equipped with the pipeline between B valves and water tank；
The triple valve II is connected to backwash water inlet pipe, and meets distributing water room by backwashing water inlet pipe, is set on the backwash water inlet pipe
There is backwash inlet valve；Pipeline between the backwash inlet valve and distributing water room is equipped with backwash feed water flow gauge；
The overflow water receiving case is internally provided with booster pump, and the booster pump is connected to B water inlet pipes, and connects original by B water inlet pipes
Water tank；The overflow connects water tank bottom and is equipped with A discharge tubes, which is provided with A discharging valves；The raw water box is equipped with overflow pipe, and leads to
Cross overflow pipe and connect overflow water receiving case；The raw water box bottom is equipped with B discharge tubes, which is provided with B discharging valves；
The aerobic zone inner wall is equipped with support face, and electrode plate with holes is placed with support face, fills and lives in electrode plate with holes
Property charcoal, the electrode plate with holes are connected with direct current electric wire connector, and the direct current electric wire connector is arranged on nethermost
At the port of support face, which is located at hull outside.
Preferably, support face is equipped with 4, spacing 100mm successively from bottom to up, wherein nethermost support identity distance is aerobic
Area bottom 200mm, the support face are ring-type support face.
Preferably, housing is the cylinder of 60mm, and electrode plate with holes is equipped with 4, at least provided with two on electrode plate with holes
Hole；The electrode plate with holes is stainless steel circular strip pore electrod plate, its diameter is identical with diameter of the housing, and certain housing can also select
With other shapes, however, which kind of shape housing selects, electrode plate with holes is required for mutually agreeing with housing, and the utility model is practical
Novel belt pore electrod plate selects stainless steel material, service life length.
Further, the direct current electric wire connector carries metallic plate.
Preferably, backwash pump is nitrification liquid reflux pump.
Preferably, the sample tap of anoxic zone and aerobic zone is respectively provided with 5 from bottom to up, and the sample tap spacing of anoxic zone is
100mm；The sample tap spacing of the aerobic zone is 300mm, naturally it is also possible to selects other spacing, but the utility model is practical new
The spacing that type is selected can be better understood by the situation of water treatment.
Preferably, clear water zone is highly not less than 300mm, and the space height between clear water zone upper surface and case top is
200mm。
Preferably, the housing is made of organic glass, because organic glass has the preferable transparency, chemical stabilization
The advantages that property, mechanical property and weatherability, so the preferred organic glass of the case material of the utility model utility model.
Preferably, filter material layer is the cocoanut active charcoal filter material layer that particle diameter is 0.8-1.2mm.The adsorption efficiency of cocoanut active charcoal
Other kinds of activated carbon is superior to adsorbance, and it is safe and pollution-free, without any side effects, so the utility model is practical
The preferred cocoanut active charcoal filter material layer of new filter material layer.
Preferably, supporting layer is garnet supporting layer, since garnet proportion is higher, good filtration effect, in sewage disposal
When filling excessive, garnet filtrate hardly flows out, so supporting layer is made in preferred garnet here.
Compared with prior art, the utility model utility model has the following advantages the utility model：
1st, due to being equipped with three-diemsnional electrode device in the utility model utility model, this device is more by being set in aerobic zone
Pore electrod plate is made, filling activated carbon in electrode plate, activated carbon filling three-diemsnional electrode can depth remove ammonia nitrogen in sewage, it is single
Position ammonia nitrogen removal energy consumption increases as electric current increases, and is reduced as chlorine ion concentration increases.Electrode assembly is adjustable after being powered
Whole size of current, effectively removes the ammonia nitrogen in sewage.Meanwhile this device can remove metal ion, flocculation by electrolytic method
Thing, reduces COD, BOD etc., alleviates biological membrane degradation pressure, increases the service life of biomembrane, is electrolysed the partial electrolyte of generation
Contribute to the growth of microorganism, improve treated sewage efficiency.
2nd, since the utility model utility model uses biologic active carbon filtration technology, biodegradable organic leads in water
The biomembrane crossed on biological activated carbon, which carries out processing, reduces activated carbon adsorption load so that BAC Technology and tradition are lived
Property charcoal technology compare the service life of activated carbon can be made to increase by 10 times or so.
3rd, the utility model utility model device first passes through anaerobic biological decomposition, by larger molecular organics hydrolysis hair in sewage
Ferment is some small molecule aliphatic acid, improves Biodegradability of Wastewater, lays a good foundation for aerobic biological decomposition with conversion, makes water outlet water
Matter is stablized, and content of organics is few, and turbidity is low.It can improve in the case of low temperature, low content of organics, remove Organic substance in water
Ability.
4th, the utility model utility model is easy to operate, takes up an area less, is easy to spread, cheap into the utility model, is suitable for
Urban cells Treated sewage reusing.
Brief description of the drawings
Fig. 1 is the utility model utility model overall structure diagram.
Embodiment
The utility model utility model is described further with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices of the utility model utility model, including
Housing 9, water tank 6, overflow water receiving case 7 and raw water box 8, the housing are made of organic glass, a diameter of 60mm, total a height of
2900mm, inside it from bottom to up (using the lower section of attached drawing 1 as " under ") be equipped with distributing water room 1 successively, be highly 300mm；Backwash
Air pump 12；Supporting layer 2, is highly 100mm；Anoxic zone 3, aerobic zone 4, clear water zone 5, clear water zone upper surface and 9 top of housing
Between leave the distance of 200mm, wherein with being equipped with filter material layer inside aerobic zone 4, which is that particle diameter is 0.8- for anoxic zone 3
The cocoanut active charcoal filter material layer of 1.2mm, the height of 3 filter material layer of anoxic zone is 500mm；The height of 4 filter material layer of aerobic zone is
1500mm；Supporting layer 2 is garnet supporting layer.
Above-mentioned height can certainly be adjusted according to actual conditions, to reach the effect of optimization effluent quality.
The distributing water room 1 is equipped with blow-down pipe 11, backwash air inlet pipe 13 and A water inlet pipes 84, the distributing water room 1 and passes through recoil
The reversed flushing air pump 12 of air inlet pipe 13 is washed, the blow-down pipe 11 is arranged on 1 bottom of distributing water room, which is provided with A valves 111；It is described to match somebody with somebody
Hydroecium 1 connects raw water box 8 by A water inlet pipes 84, and the A water inlet pipes 84 are equipped with total inlet valve 16, and total inlet valve 16 is with matching somebody with somebody
Pipeline between hydroecium 1 is equipped with feed water flow gauge 15, and feed water flow gauge 15 is used to measure inflow.
The anoxic zone 3 sets a sample tap 21 per 100mm from bottom to up, and the aerobic zone 4 is from bottom to up per 300mm
One sample tap 21 is set, 4 inner wall of aerobic zone is equipped with 4 ring-type support faces successively from bottom to up, spacing 100mm, its
In nethermost 4 bottom 200mm of ring-type support identity distance aerobic zone, be placed with diameter 60mm, stainless steel on each support face 43
Circular electrode plates with holes, can also adjust electrode plate 44 with holes and 43, support face number and spacing according to actual conditions, with up to
To the purpose of strengthened denitrification.Filling activated carbon, the stainless steel band pore electrod plate are connected with the stainless steel band pore electrod plate
Direct current electric wire connector 42 with metallic plate, the direct current electric wire connector 42 are arranged on nethermost 43 end of ring-type support face
At mouthful, which is located at outside housing 9, and the metallic plate of the direct current electrical wire interface 42 extends to support face
44, the direct current electric wire connector 42 is powered to stainless steel circular electrode plates with holes；4 bottom of aerobic zone is provided with aerator
41, apart from 9 bottom 900mm of housing, the aerator 41 is connected to aeration tube 411, and the aeration tube 411 is arranged on outside housing 9,
The aeration tube 411 is equipped with aerobic BAF gas flowmeters 412.
Clear water in the clear water zone 5 is highly not less than 300mm, and sets effluent weir 51 at the top of clear water zone 5, in water outlet
The right side of weir 51 sets water outlet 52 (with the right side of attached drawing 1 for " right side "), and water outlet 52 is connected to A outlet pipes 53, and passes through A outlet pipes 53
Pick out water tank 6, the A outlet pipes 53 are equipped with triple valve I57 and backwash outlet valve 54, triple valve I57 and water tank 6 it
Between pipeline be equipped with C valves 56；The triple valve I57 is connected to outlet pipe 55, and backwash outlet valve is equipped with outlet pipe 55
54。
Backwash pump 64 and B outlet pipes 61 are equipped with the water tank 6, the 64 preferred nitrification liquid of backwash pump reflux
Pump, 6 bottom of water tank are equipped with C discharge tubes 62, which is provided with C discharging valves 622, and the nitrification liquid reflux pump is connected to C water pipes
67, and overflow water receiving case 7 is connect by C water pipes 67, the C water pipes 67 are equipped with B valves 66, between B valves 66 and water tank 6
Pipeline be equipped with triple valve II 65；The triple valve II 65 is connected to backwash water inlet pipe 18, and by backwashing water inlet pipe 18
Meet distributing water room 1, the backwash water inlet pipe 18 is equipped with backwash inlet valve 63, backwash inlet valve 63 and distributing water room 1 it
Between pipeline be equipped with backwash feed water flow gauge 17；
The overflow water receiving case 7 is internally provided with booster pump 72, and 7 bottom of overflow water receiving case is equipped with A discharge tubes 71, which is provided with
A discharging valves 711, the booster pump 72 is connected to B water inlet pipes 82, and connects raw water box 8, the overflow water receiving case 7 by B water inlet pipes 82
Bottom is equipped with A discharge tubes 71, which is provided with A discharging valves 711；The raw water box 8 is equipped with B discharge tubes 81 and overflow pipe 83, the B
Discharge tube 81 is arranged on 8 bottom of raw water box, is provided with B discharging valves 811, and the raw water box 8 connects overflow by overflow pipe 83 and connects
Water tank.
In use, direct current, cell are led to stainless steel band pore electrod plate by metallic plate by direct current electric wire connector 42
Secondary effluent flows into distributing water room 1 by raw water box 8 by A water inlet pipes 84, then is handled by supporting layer 2 into anoxic zone 3, locates
Enter aerobic zone 4 after reason, sewage flows through the stainless steel band pore electrod plate of energization, coordinates filtrate to decompose.Aerator 41 is opened to pass through
Aeration tube 411 carries out the normal aeration of aerobic zone 4.Last sewage flows through clear water zone 5, by effluent weir 51 from water outlet 52 through A
Outlet pipe 53 flows into water tank 6, and at this time, backwash outlet valve 54 is in off state, and a part of water outlet is through B water outlets in water tank 6
61 direct water outlet of pipe, a part squeeze into overflow water receiving case 7 by nitrification liquid reflux pump through B valves 66, and with the overflow in raw water box 8
Water is back to raw water box 8 by the booster pump 72 of 7 bottom of overflow water receiving case through B water inlet pipes 82 together.
In above process, the solid particle residual due to sewage in the device, and aging biomembrane come off, and make filter column
Interior loss of flood peak increase, effluent quality deteriorate, so must stop intaking, are backwashed.During backwash, using air water back washing
Wash, close total inlet valve 16, C valves 56, nitrification liquid reflux pump and booster pump 72, start backwash air pump 12, nitrification liquid returns
Stream pump, opens backwash inlet valve 63, and water enters distributing water room 1, to carrying out rushing air-water flushing inside housing 9, and passes through backwash
Feed water flow gauge 17 and aerobic BAF gas flowmeters 412 control backwash process, backwashing water no longer flow back, and open backwash
Outlet valve 54, flows out through outlet pipe 55.After backwash, total inlet valve 16 etc. is then turned on, starts next cycling.
Claims (10)
1. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices, including housing（9）, water tank（6）, overflow water receiving case
（7）, raw water box（8）And backwash air pump（12）, the housing（9）Inside is equipped with distributing water room successively from bottom to up（1）, supporting layer
（2）, anoxic zone（3）, aerobic zone（4）And clear water zone（5）, wherein clear water zone（5）Upper surface and housing（9）Sky is left between top
Gap, anoxic zone（3）With aerobic zone（4）Inside is equipped with filter material layer；
The distributing water room（1）Equipped with blow-down pipe（11）, backwash air inlet pipe（13）With A water inlet pipes（84）, the distributing water room（1）It is logical
Cross backwash air inlet pipe（13）Reversed flushing air pump（12）, the blow-down pipe（11）Arranged on distributing water room（1）Bottom, which is provided with A
Valve（111）；The distributing water room（1）Pass through A water inlet pipes（84）Connect raw water box（8）, the A water inlet pipes（84）It is equipped with total water inlet
Valve（16）；Total inlet valve（16）With distributing water room（1）Between pipeline be equipped with feed water flow gauge（15）；
The anoxic zone（3）And aerobic zone（4）It is equipped with sample tap（21）, the aerobic zone（4）Bottom is provided with aerator
（41）, the aerator（41）It is connected to aeration tube（411）, the aeration tube（411）It is equipped with aerobic BAF gas flowmeters
（412）；The aeration tube（411）It is arranged on housing（9）It is exterior；
The clear water zone（5）Top is equipped with effluent weir（51）, effluent weir（51）Right side is equipped with water outlet（52）, water outlet（52）Connect
There are A outlet pipes（53）, and pass through A outlet pipes（53）Pick out water tank（6）, the A outlet pipes（53）On set triple valve I（57）With it is anti-
Rinse outlet valve（54）, in triple valve I（57）With water tank（6）Between pipeline be equipped with C valves（56）；The triple valve I
（57）It is connected to outlet pipe（55）, which is provided with backwash outlet valve（54）；
The water tank（6）It is interior to be equipped with backwash pump（64）With B outlet pipes（61）, the backwash pump（64）It is connected to C water
Pipe（67）, and pass through C water pipes（67）Connect overflow water receiving case（7）, the C water pipes（67）It is equipped with B valves（66）, in B valves
（66）With water tank（6）Between pipeline be equipped with triple valve II（65）；The triple valve II（65）It is connected to backwash water inlet pipe
（18）, and by backwashing water inlet pipe（18）Meet distributing water room（1）, the backwash water inlet pipe（18）It is equipped with backwash inlet valve
（63）；The backwash inlet valve（63）With distributing water room（1）Between pipeline be equipped with backwash feed water flow gauge（17）；
The overflow water receiving case（7）It is internally provided with booster pump（72）, the booster pump（72）It is connected to B water inlet pipes（82）, and pass through B
Water inlet pipe（82）Connect raw water box（8）；The raw water box（8）Equipped with overflow pipe（83）, and pass through overflow pipe（83）Connect overflow water receiving
Case（7）；The overflow water receiving case（7）Bottom is equipped with A discharge tubes（71）, which is provided with A discharging valves（711）；The raw water box（8）
Bottom is equipped with B discharge tubes（81）, which is provided with B discharging valves（811）；
It is characterized in that, the aerobic zone（4）Inner wall is equipped with support face（43）, support face（43）On be placed with electrode plate with holes
（44）, electrode plate with holes（44）Interior filling activated carbon, the electrode plate with holes（44）It is connected with and carries direct current electric wire connector
（42）, the direct current electric wire connector（42）It is arranged on nethermost support face（43）At port, the direct current electric wire connector
（42）Positioned at housing（9）It is exterior.
2. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 1, it is characterised in that described
Support face（43）4, spacing 100mm are equipped with successively from bottom to up, wherein nethermost support face（43）Away from aerobic zone（4）Bottom
Portion 200mm, the support face（43）For ring-type support face.
3. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 2, it is characterised in that described
Housing（9）For the cylinder of 60mm, the electrode plate with holes（44）Equipped with 4, electrode plate with holes（44）On at least provided with two
Hole；The electrode plate with holes（44）It is identical with the diameter of housing for stainless steel circular strip pore electrod plate, its diameter.
4. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 1, it is characterised in that described
Direct current electric wire connector（42）With metallic plate.
5. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 4, it is characterised in that described
Backwash pump（64）For nitrification liquid reflux pump.
6. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 5, it is characterised in that described
Anoxic zone（3）And aerobic zone（4）Sample tap（21）5 are respectively provided with from bottom to up, anoxic zone（3）Sample tap（21）Spacing is
100mm；The aerobic zone（4）Sample tap（21）Spacing is 300mm.
7. according to a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices of claim 1-6 any one of them, its feature
It is, the clear water zone（5）Highly it is not less than 300mm, clear water zone（5）Upper surface and housing（9）Space height between top
For 200mm.
8. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 7, it is characterised in that described
Housing（9）It is made of organic glass.
9. a kind of three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 8, it is characterised in that described
Filter material layer is the cocoanut active charcoal filter material layer that particle diameter is 0.8-1.2mm.
A kind of 10. three-diemsnional electrode A/O integral types BAF Treated sewage reusing devices according to claim 9, it is characterised in that institute
State supporting layer（2）For garnet supporting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869085.6U CN207259324U (en) | 2017-07-17 | 2017-07-17 | Three-diemsnional electrode A/O integral type BAF Treated sewage reusing devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869085.6U CN207259324U (en) | 2017-07-17 | 2017-07-17 | Three-diemsnional electrode A/O integral type BAF Treated sewage reusing devices |
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| CN207259324U true CN207259324U (en) | 2018-04-20 |
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ID=61927089
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720869085.6U Expired - Fee Related CN207259324U (en) | 2017-07-17 | 2017-07-17 | Three-diemsnional electrode A/O integral type BAF Treated sewage reusing devices |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642470A (en) * | 2019-10-18 | 2020-01-03 | 佛山市南海永其祥织染有限公司 | A sewage treatment system for weaving dye |
| CN113511719A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Electrocatalysis internal circulation aeration biological filter and aeration method of waste water |
| CN113511720A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Electrocatalysis aeration biological filter and aeration method of waste water |
-
2017
- 2017-07-17 CN CN201720869085.6U patent/CN207259324U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642470A (en) * | 2019-10-18 | 2020-01-03 | 佛山市南海永其祥织染有限公司 | A sewage treatment system for weaving dye |
| CN113511719A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Electrocatalysis internal circulation aeration biological filter and aeration method of waste water |
| CN113511720A (en) * | 2020-04-10 | 2021-10-19 | 中国石油化工股份有限公司 | Electrocatalysis aeration biological filter and aeration method of waste water |
| CN113511719B (en) * | 2020-04-10 | 2023-01-03 | 中国石油化工股份有限公司 | Electrocatalysis internal circulation aeration biological filter and aeration method of waste water |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20180717 |