CN2228909Y - Non-power consumption organic sewage treatment device - Google Patents
Non-power consumption organic sewage treatment device Download PDFInfo
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- CN2228909Y CN2228909Y CN95244748U CN95244748U CN2228909Y CN 2228909 Y CN2228909 Y CN 2228909Y CN 95244748 U CN95244748 U CN 95244748U CN 95244748 U CN95244748 U CN 95244748U CN 2228909 Y CN2228909 Y CN 2228909Y
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- anaerobism
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- sewage
- oxidation ditch
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- 239000010865 sewage Substances 0.000 title claims abstract description 49
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000001914 filtration Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 8
- 230000001351 cycling effect Effects 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000029087 digestion Effects 0.000 abstract description 2
- 238000000855 fermentation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000010842 industrial wastewater Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ZFRKQXVRDFCRJG-UHFFFAOYSA-N skatole Chemical compound C1=CC=C2C(C)=CNC2=C1 ZFRKQXVRDFCRJG-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010016807 Fluid retention Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 241001074903 Methanobacteria Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- -1 nitrogenous compound Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 229940074386 skatole Drugs 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a sewage treatment device without power consumption, which is mainly characterized in that the device comprises four parts, namely an anaerobic fermentation chamber, an anaerobic digestion chamber, an anaerobic filter chamber, a stream oxidation ditch and the like. It uses the drop of sewage liquid level as power, and has no energy consumption. In addition the utility model discloses a super high specific surface suspended flow anaerobism biofiltration bed and specific surface area are big, and the iron-making slag that is with low costs designs and produces a purification efficiency height as brook oxidation ditch filler, and is with low costs, noiseless, longe-lived, does not need daily maintenance's no consumption sewage treatment plant, extensively is applicable to domestic sewage and organic industrial waste water's processing, and the device is holistic to bury underground, does not occupy land area, is brand-new organic sewage treatment technique.
Description
The utility model relates to no power consumption organic sewage treatment unit.
In the prior art, handle the existing several different methods of organic sewage, apply for 94.5.11 day as me, application number is 94238690.6 " reaction type is aerobic, anoxic method sewage purifier " and 94.5.12 day, and application number is that 94238698.1 " intermittent activated sludge process sewage purifier " is exactly two examples.These two kinds of methods and traditional many treatment processs, all be unable to do without sewage is squeezed into treatment facility with water pump, then with gas blower or aerator quick-fried gas oxygen supply in sewage under water, not only to consume a large amount of energy, and various electromechanical equipment prices are all higher, work-ing life is shorter, and the requirement of incompatible long-term continuous sewage treatment makes the cost of equipment and ordinary maintenance cost all not following according to height.
The purpose of this utility model is to provide a kind of no power consumption, utilizes the wastewater level drop to drive, and cost is low, and treatment effect is good, does not need routine maintenance, has the organic sewage treatment unit in equal work-ing life with buildings.
In order to achieve the above object, the utility model adopts following technical proposals: referring to Fig. 1, the entire sewage treatment unit is embedded in underground, by anaerobically fermenting chamber (A), (comprising two locellus of A1, A2 is in series), anaerobism corruption chamber (B) (comprising two locellus of B1, B2), anaerobism filtration chamber (C) (comprising two locellus of C1, C2) and streams oxidation ditch (D) four most of serial connections form, and are communicated by subsurface spillway between the each several part.There is sewage import (2) the first anaerobically fermenting locellus (A1) top, entering (A1) divides indoor sewage to flow into (A2) by overflow ducts import (5), sewage is by straight tubular overflow ducts (6) and U-shaped overflow ducts (7) then, successively flow through (D) behind anaerobism corruption chamber (B1, B2) and anaerobism filtration chamber (C1, C2) arrival streams oxidation ditch, sewage through the streams oxidation ditch after, promptly discharge as clear water.It is characterized in that the horizontal absolute altitude of sewage import is lower than the absolute altitude of pending buildings Sewage outlet, each anaerobically fermenting chamber, anaerobism corruption chamber, anaerobism filtration chamber and streams oxidation ditch are also taken advantage of a situation downward-sloping, so sewage can flow into treatment unit from top to bottom naturally, and need not consume any energy.Each anaerobism corruption chamber and an anaerobism filtration chamber constitute a cycle of treatment unit in the device, and the cycling element more than two or two is arranged in the whole device.Each anaerobic room (A, B, C) top does not have public parichnos (4) to communicate with high-altitude vapor pipe (1), each anaerobic room is purified the waste odour-gas that produces in the reaction enter upper atmosphere.
Overflow ducts import (5) operated by rotary motion is at the depth of water place of liquid level (19) following 2/3.Sewage in the second anaerobically fermenting locellus (A2) is by straight tubular overflow ducts (6), 2/3 depth of water flows to the i.e. top of first anaerobism corruption locellus (B1) of first cycling element under the liquid level, (B1) Nei sewage flows into from liquid level 2/3 depth of water by U-shaped overflow ducts (7), walk around first anaerobism and filter the top of locellus (C1), arrive the trumpet-shaped aproll funnel in 2/3 depth of water place (8) under this chamber liquid level, sewage upwards overflows through the apron hole (15) on the wall (16) (referring to Fig. 2) around the aproll funnel then, spill stream (13) passes first anaerobism equably and filters the biofiltration sheet body (11) that divides setting in (C1), arrive the top of this locellus, sewage in kind flows through by (B2) then, (C2) second cycling element of forming arrives streams oxidation ditch (D).
The horn-like aproll funnel (8) that anaerobism filtration chamber (C1) or bottom (C2) and U-shaped overflow ducts join, its shape can be a taper, also four prismatics.The overflow ducts cross section is the garden, also square.Have several apron holes (15) equably on the wall (16) around the funnel, funnel bottom do not have four height at 200mm with interior fixed support stake (14), with fixed funnel.Be filled with superhigh specific surface area suspended biological filter bed monomer (11) in the anaerobism filter bed, filter bed thickness is≤1.5M.Filter bed uses the permeable dividing plate of porous (10) fixing up and down, and the permeable hole on the dividing plate (17) diameter is less than filter bed monomer diameter.
The cross section of streams oxidation ditch can be orthogonal, trapezoid or garden shape.Streams (21) depth of water≤100mm (referring to Fig. 3) in the groove, groove width between 0.5～4m, trench length 〉=20m, it is half fixed dam (20) of the streams depth of water that channel bottom is established a height every 1M.The filling ratio surface-area is about 1000m in each grade of oxidation ditch bottom, streams
2Blast furnace slag (18), the particle diameter of slag generally is no more than the streams depth of water, the filling rate is a volumetrical about 60% under the groove liquid level.Fixed dam can prevent that slag from being washed away by the streams.
Ground above the oxidation ditch of streams (12) is provided with a ventage (22) that has the diameter of opening lid (23) to be not less than 200mm every 3M, competent oxygen so that the streams oxidation to be provided.Streams oxidation ditch liquid level superjacent air space and previous stages anaerobic room cut off, and come out from ventage (22) to prevent the foul smell that each anaerobic room of front produces.The ground, top of each anaerobically fermenting chamber, anaerobism corruption chamber correspondence and the ground, top of anaerobism filtration chamber aproll hopper centre correspondence respectively are provided with an openable airtight dirt-discherging outlet (3), its diameter is not less than 300mm, it can prevent that foul smell from loosing outward, can after using 3～5 years, can from dirt-discherging outlet (3), the suction of the mud in each anaerobic room be removed in device again.
This device will possess following condition when utilization: can continuously flow into organic sewage basically, envrionment temperature maintains more than 15 ℃, just can cultivate and breed a large amount of anerobe (a kind of bacterium that does not need respiratory oxygen just can survive and breed) in device.Anerobe is a food with the organic pollutant in the sewage, absorbs energy, a large amount of breedings from generation to generation.Anerobe is divided into following four-stage to organic fermentation decomposition course in the water: (1) hydrolysis stage, and (2) souring stage, (3) move back acid phase, (4) methanation stage.At hydrolysis stage, solid matter is degraded to solubility or colloidalmaterial, macromolecular substance is degraded to small-molecule substance; Souring stage, carbohydrate are degraded to lipid acid (organic acid); Move back acid phase, organic acid and dissolved nitrogenous compound resolve into NH3 (ammonia), CO2 (carbonic acid gas), N2 (nitrogen), H2 (hydrogen) and CH4 (methane), and H2S (hydrogen sulfide), skatole and mercaptan, and the latter is the gaseous mixture that has peculiar smell; Methane phase, methanobacteria is converted into biogas with lot of organic acids.Public parichnos in the device is delivered to high altitude discharge with reactant gases.
This waste disposal plant, the anaerobism partial design residence time≤24 hour (length of the residence time and raw waste water water quality, flow and drainage index have relation).The residence time of each chamber, to control with the size of its useful volume, A, B, each chamber of C (comprising locellus) residence time distributed by 3: 2: 1.Hydrolysis and souring stage mainly carry out in that A is indoor, move back acid and methanation stage and mainly carry out in that B, C are indoor.The organic pollutant that some of them are difficult to degrade need enter the C chamber after the indoor further corruption degraded of B, by funnel apron hole overflow, pass the anaerobe filter bed equably, is attached to anerobe filtration and decomposition a large amount of and intensive on the filter bed surface.(specific surface area is 600m in " superhigh specific surface area suspended biological filter bed monomer " filler filling that the biofiltration bed adopts the present inventor to invent
2/ m
3, be early stage more than 6 times of rubble filter bed, permeability rate) and 90%, the patent No.: facts have proved that 93246488.2) each chamber of biochemical treatment function is arranged, as using with a plurality of locellus series connection, function is constant, but processing efficiency will significantly improve.
Enter the streams oxidation ditch through the water after the anaerobic treatment.Under the condition of the abundant oxygen supply of ground ventilating pit, aerobic bacteria is carrier with the slag, and the residual organic matter after decomposing with anaerobic system is food (overwhelming majority is insoluble or colloidal state), a large amount of breedings from generation to generation.The slag specific surface area is greatly about 1000m
2/ m
3More than, though slag when intensive filling, permeability rate is very low, uses as filler in oxidation ditch, the permeability rate size is just unimportant.Organic pollutant in the sewage decomposes through last aerobic bacteria in the oxidation ditch of streams again on the basis of long period anaerobic digestion, has so far finished the scavenging process of sewage.The water of discharging or be used for irrigating perhaps enters rivers,lakes and seas, when not having suitable discharging place, can beat a glance water-retention well, directly injects underground.
The utility model compared with prior art, its advantage is conspicuous, the full device non-power consumption, low cost of manufacture, land occupation area not, long service life, wastewater purifying efficiency is good, and in particular for high-concentration sewage and the big occasion of sewage quantity, additive method institute is unrivaled especially.In addition, this installs no running noises, does not need routine maintenance and management, does not have any working cost etc., also is the unique distinction of this device.
The drawing explanation of accompanying drawing:
Fig. 1 is the structure principle chart of the utility model scheme
Fig. 2 is the structure principle chart of the utility model anaerobism filtration chamber.
Fig. 3 is the structure principle chart of the utility model streams oxidation ditch.
The utility model embodiment:
Certain hotel sewage, sewage quantity: 360 ton per days (15 tons/hour).
Sewage quality: BDD5=200mg/L, CODcr=450mg/L, SS=40-0mg/L, press an A3/O type of Fig. 1 design-build waste disposal plant, the anaerobism partial design residence time is 20 hours, and A, B, C, three parts were distributed by 3: 2: 1, then each minute chamber size (by Calculation of Effective Volume):
Each chamber size of A1, A2 is: wide: 3M, and dark 3M, long 11M,
Each chamber size of B1, B2 is: wide: 3M, and dark 3M, long 7.2M,
Each chamber size of C1, C2 is: wide: 3M, and dark 3M, long 3.6M,
Anaerobe is filtered long thickness: 1M
Streams oxidation furrow width 1M, long 20M, depth of water 50MM, slag filler particle diameter≤50MM, the filling rate is the following volumetrical about 60% of the water surface.
Handle the back effluent quality:
BOD5＝27mg/L，CODcr＝66mg/L，SS＝54mg/L
Be better than the national environmental protection first discharge standard.
The little community's life of city resident sewage, water displacement :/440 ton per days (60 tons/hour)
Sewage quality: BOD5=350mg/L, CODcr=580mg/L, SS=62-0mg/L.
With reference to an A3/O type of Fig. 1 design-build waste disposal plant, the anaerobism partial design residence time is 22 hours, and A, B, C three part useful volumes were distributed by 3: 2: 1, and then each locellus sense of propriety is respectively:
A1, A2, A3 respectively are: wide 4M, dark 4M, long 13.8M
B1, B2, B3 respectively are: wide 4M, dark 4M, long 9.2M
C1, C2, C3 respectively are: wide 4M, dark 4M, account 4.5M
Anaerobe filter bed thickness is 1M.Streams oxidation ditch width is 1M, length 20M, and depth of water 50MM, slag filler particle diameter≤50MM, the filling rate is the following volumetrical about 60% of the water surface.
Handle back draining water quality:
BOD5＝30mg/L，CODcr＝70mg/L，ss＝68mg/L
Reach the national environmental protection first discharge standard.
Borderland sugar refinery industrial sewage, water displacement: 8400 ton per days (350 tons/hour),
Sewage quality: BOD5=8300mg/L, CODr=16733mg/L, SS=-1849mg/L,
Build an A3/O type waste disposal plant with reference to Fig. 1, the anaerobism partial design residence time is design in 15 hours, and A, B, C three part useful volumes were distributed by 3: 2: 1, and then chamber size is respectively each minute:
A1, A2, A3, A4, A5: wide 5M, dark 5M, long 21M
B1, B2, B3, B4, B5: wide 5M, dark 5M, long 14M
C1, C2, C3, C4, C5: wide 5M, dark 5M, long 7M
Anaerobe filter bed thickness is 1.2M.
Streams oxidation ditch width is 4M, length 30M, and depth of water 100MM, slag filler particle diameter≤100MM, the filling rate is the following volumetrical about 60% of the water surface.
Handle back draining water quality: BOD5=140mg/L, CODcr=250mg/L, s-s=200mg/L
Conform to the emission standard of local environmental administration regulation.
Earth material among Fig. 1 (9) adopt to mix earth, and FRP that the inventor invents can be adopted in aproll funnel (8) and overflow ducts (6) and (7), (patent No.: 95243832.1), wall thickness is 3～5MM to the manufacturing of GRC matrix material
Claims (5)
1, a kind of no power consumption organic sewage treatment unit, by anaerobically fermenting chamber (A), anaerobism corruption chamber (B), anaerobism filtration chamber (C) and streams oxidation ditch (D) four most of serial connections form, communicate by subsurface overflow ducts between the each several part, the anaerobically fermenting chamber is connected into by the locellus more than two or two, first anaerobically fermenting is sent out the top, chamber the sewage import, sewage flows into the second anaerobically fermenting locellus from the first anaerobically fermenting locellus by the overflow ducts import, sewage successively flows through by overflow ducts and promptly discharges as clear water after anaerobism corruption chamber and anaerobism filtration chamber mobile arrival streams oxidation ditch flows through the streams oxidation ditch then, whole device is embedded in underground, the horizontal absolute altitude that it is characterized in that the sewage import is lower than buildings Sewage outlet absolute altitude, each anaerobically fermenting chamber, anaerobism corruption chamber, the liquid level of anaerobism filtration chamber and streams oxidation ditch respectively has the drop that is no less than 50mm successively, the streams oxidation ditch is also taken advantage of a situation downward-sloping: each anaerobism corruption chamber and an anaerobism filtration chamber constitute a cycle of treatment unit in the device, cycling element more than two or two is arranged in the whole device: each anaerobic room top is provided with public parichnos, communicates with the high-altitude vapor pipe.
2, device according to claim 1, its feature are that also the overflow ducts import between each locellus generally is located under the liquid level 2/3 depth of water place; Sewage in the second anaerobically fermenting locellus passes through overflow ducts, 2/3 the depth of water flows to the top of i.e. first anaerobism corruption of first cycling element locellus under the liquid level, the corruption of first anaerobism divides indoor sewage by the U-shaped overflow ducts, flow into down from liquid level, walk around first anaerobism and filter the top of locellus, arrive the trumpet-shaped aproll funnel in 2/3 depth of water place under this chamber liquid level, then through each the hole overflow on the wall around the aproll funnel, pass first anaerobism equably and filter the biofiltration sheet body that divides indoor setting, arrive the top of this locellus, then, sewage flows through second cycling element arrival streams oxidation ditch with same method.
3, device according to claim 1, its feature also are the horn-like aproll funnel that bottom, anaerobism filtration chamber and U-shaped overflow ducts join, and its shape can be a taper, also four prismatics; Have the several number water hole equably on the wall around the funnel; Funnel bottom be provided with four height at 200mm with interior fixed support stake; Load superhigh specific surface area suspended biological filter bed monomer in the anaerobism filter bed, filter bed thickness≤1.5M; Filter bed is fixed with the permeable dividing plate of porous up and down, and the permeable hole diameter on the dividing plate is less than filter bed monomer diameter.
4, device according to claim 1, its feature are that also streams oxidation ditch cross-sectional shape can be an orthogonal, trapezoid or circle; The streams depth of water≤100mm in the groove; Groove width between 0.5～4m, trench length 〉=20M; Channel bottom is established a fixed dam every 1M, and the height of baffle plate is half of the streams depth of water; Blast furnace slag is loaded in oxidation ditch bottom, streams, and the slag granules diameter generally is no more than the streams depth of water, and the filling rate is the following volumetrical 60% of groove liquid level.
5, device according to claim 1, its feature are that also the ground of oxidation ditch top, streams is provided with the ventage that an openable diameter is not less than 200mm every 3M; Oxidation ditch liquid level top, streams cuts off with each anaerobic room; Each anaerobically fermenting chamber, the ground, top of anaerobism corruption chamber correspondence and the ground of anaerobism filtration chamber aproll hopper centre top respectively are provided with an openable dirt-discherging outlet that closes, and its diameter is not less than 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95244748U CN2228909Y (en) | 1995-09-22 | 1995-09-22 | Non-power consumption organic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95244748U CN2228909Y (en) | 1995-09-22 | 1995-09-22 | Non-power consumption organic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2228909Y true CN2228909Y (en) | 1996-06-12 |
Family
ID=33885079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95244748U Expired - Fee Related CN2228909Y (en) | 1995-09-22 | 1995-09-22 | Non-power consumption organic sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2228909Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044096B (en) * | 2004-10-19 | 2011-06-22 | Bta国际股份有限公司 | Method and device for low-emission storage of biologically-degradable materials |
| CN103601345A (en) * | 2013-12-04 | 2014-02-26 | 祝爱民 | Power-free domestic sewage treatment method |
| CN104692587A (en) * | 2014-12-31 | 2015-06-10 | 浙江商达环保有限公司 | Buried unpowered five-cell purification tank sewage treatment equipment |
| CN105502661A (en) * | 2016-01-29 | 2016-04-20 | 天津科技大学 | Inclined oxidation ditch |
-
1995
- 1995-09-22 CN CN95244748U patent/CN2228909Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044096B (en) * | 2004-10-19 | 2011-06-22 | Bta国际股份有限公司 | Method and device for low-emission storage of biologically-degradable materials |
| CN103601345A (en) * | 2013-12-04 | 2014-02-26 | 祝爱民 | Power-free domestic sewage treatment method |
| CN103601345B (en) * | 2013-12-04 | 2016-08-17 | 祝爱民 | A kind of Power-free domestic sewage treatment method |
| CN104692587A (en) * | 2014-12-31 | 2015-06-10 | 浙江商达环保有限公司 | Buried unpowered five-cell purification tank sewage treatment equipment |
| CN105502661A (en) * | 2016-01-29 | 2016-04-20 | 天津科技大学 | Inclined oxidation ditch |
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