CN109574228B - Contact oxidation pond and district sewage treatment system - Google Patents
Contact oxidation pond and district sewage treatment system Download PDFInfo
- Publication number
- CN109574228B CN109574228B CN201910017372.8A CN201910017372A CN109574228B CN 109574228 B CN109574228 B CN 109574228B CN 201910017372 A CN201910017372 A CN 201910017372A CN 109574228 B CN109574228 B CN 109574228B
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- China
- Prior art keywords
- mounting groove
- tank
- mounting
- contact oxidation
- frame
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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.)
- Expired - Fee Related
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- 230000003647 oxidation Effects 0.000 title claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 30
- 239000010865 sewage Substances 0.000 title abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 230000020477 pH reduction Effects 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims description 55
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims 2
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 210000005056 cell body Anatomy 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000010802 sludge Substances 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
- 238000005276 aerator Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the field of sewage treatment, in particular to a contact oxidation tank and a community sewage treatment system.A regulating acidification tank, a contact oxidation tank, a sedimentation tank and a clean water tank sequentially purify sewage, so as to reduce environmental pollution.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a contact oxidation pond and a community sewage treatment system.
Background
Residential districts are relatively independent areas, and drainage in the residential districts belongs to the category of domestic sewage. The characteristics of water quality and water quantity can be summarized as follows: the water quality and the water quantity change is large, the pollutant concentration is low, the biodegradability of sewage is good, and the treatment difficulty is small.
With the increasing quality of life of people, according to the national and local environmental protection requirements, a residential district must be provided with an independent sewage treatment facility, namely a sewage treatment system of the residential district, which generally comprises a regulating acidification tank, a contact oxidation tank, a sedimentation tank and a clean water tank which are connected in sequence.
Be provided with the filler in the contact oxidation pond, when design contact oxidation pond suspension type filler support, at present the most common way is pre-buried steel sheet on the filler frame roof beam in cell body or pond, welds round steel or screw-thread steel both ends on pre-buried steel sheet again, then hangs the filler and is fixed in round steel or screw-thread steel on, the inconvenient filler of taking out is changed or is maintained.
Disclosure of Invention
It is an object of the present invention to provide a contact oxidation cell with easy removal of packing.
The above object of the present invention is achieved by the following technical solutions:
contact oxidation pond, including the cell body the interval is provided with a plurality of installing frames in the cell body, install the filler on the installing frame, the cell body is provided with a plurality of confession installing frame male mounting grooves.
Through adopting above-mentioned technical scheme, when needing to take out to pack and change or maintain, the direct installing frame that corresponds with the filler that needs take out is proposed from the mounting groove, and easy operation is convenient, need not arrange the internal sewage of pond to the greatest extent, reduces the influence that causes sewage treatment to reduce the dangerous degree of work.
The invention is further configured to: the mounting groove comprises vertical channel steel which is oppositely arranged on two opposite inner side walls of the tank body and transverse channel steel which is connected between the bottoms of the two vertical channel steel, and two sides of the mounting frame are respectively matched with a vertical sliding groove in a sliding connection mode.
Through adopting above-mentioned technical scheme, when needs installation installing frame, make two sides of installing frame correspond with relative vertical channel-section steel respectively, can insert the mounting groove in the mounting groove, support horizontal channel-section steel until the installing frame, the installing frame removes to target in place, accomplishes the installation of installing frame.
The invention is further configured to: and a damping mechanism is arranged between the mounting frame and the mounting groove, and provides resistance between the mounting frame and the mounting groove in the process that the mounting frame is inserted into the mounting groove.
Through adopting above-mentioned technical scheme, when inserting the installing frame the mounting groove, damping mechanism provides the resistance between installing frame and the mounting groove, reduces the too fast and collision mounting groove of installing frame male speed, damages the condition that the mounting groove or make the mounting groove drop.
The invention is further configured to: damping mechanism is including rotating the damping bearing who connects in the installing frame, damping bearing's surface is provided with the friction packing ring with mounting groove butt complex, damping bearing's pivot perpendicular to installing frame inserts the direction of inserting of mounting groove, damping bearing is dead in the direction of rotation that inserts the mounting groove corresponding to the installing frame.
Through adopting above-mentioned technical scheme, at the in-process that the installing frame inserted the mounting groove, the friction packing ring offsets with the mounting groove, and damping bearing locks this moment, and the mounting groove provides ascending slip frictional force for the installing frame, reduces the installing frame male speed, at the in-process of proposing the installing frame, and the friction packing ring offsets with the mounting groove, and damping bearing free rotation this moment, the mounting groove provides ascending roll frictional force for the installing frame, and the installing frame can smoothly be proposed.
The invention is further configured to: the damping bearing is provided with a plurality of and sets up in the mounting frame and the relative both sides of mounting groove.
By adopting the technical scheme, the stress area of the two sides of the mounting frame is increased, and the stability is improved.
The invention is further configured to: damping mechanism is including rotating the damping bearing who connects in the mounting groove, damping bearing's surface is provided with the friction packing ring with mounting frame butt complex, damping bearing's the length direction of pivot perpendicular to mounting groove, damping bearing is dead in the rotation direction who inserts the mounting groove corresponding to the mounting frame.
Through adopting above-mentioned technical scheme, at the in-process that the installing frame inserted the mounting groove, the friction packing ring offseted with the installing frame, and damping bearing lock dies this moment, and the mounting groove provides ascending slip frictional force for the installing frame, reduces the installing frame male speed, at the in-process of proposing the installing frame, and the friction packing ring offsets with the installing frame, and damping bearing free rotation this moment, mounting groove provide ascending roll frictional force for the installing frame, and the installing frame can smoothly be proposed.
The invention is further configured to: the damping bearing is provided with a plurality of along the length direction interval of mounting groove.
Through adopting above-mentioned technical scheme for the resistance of installing frame when just inserting the mounting groove is less, more makes things convenient for inserting of installing frame, and along with the degree of depth that the installing frame inserted the mounting groove increases, the resistance that provides is big more, effectively protects the mounting groove.
The invention is further configured to: and connecting rings are arranged at the corresponding positions of the two ends of the mounting frame and the filler, and the two ends of the filler are respectively bound and fixed with one connecting ring.
Through adopting above-mentioned technical scheme, make things convenient for the fixed of filler and installing frame to straighten the filler, reduce the filler and rock and appear the crisscross condition in aqueous.
The invention is further configured to: the connecting ring is detachably connected with the mounting frame.
By adopting the technical scheme, the connecting ring can be replaced, and the use is convenient.
It is another object of the present invention to provide a residential sewage treatment system that facilitates the removal of the packing.
The above object of the present invention is achieved by the following technical solutions:
district sewage treatment system, including above-mentioned any contact oxidation pond, still include regulation acidizing pond, sedimentation tank and clean water basin, regulation acidizing pond, contact oxidation pond, sedimentation tank and clean water basin connect gradually.
Through adopting above-mentioned technical scheme, adjust acidizing pond, contact oxidation pond, sedimentation tank and clean water basin and purify sewage in proper order, reduce environmental pollution to when needing to take out the filler and change or maintain, direct with the filler that take out correspond the installing frame from the mounting groove propose can, easy operation is convenient.
In conclusion, the beneficial technical effects of the invention are as follows:
1. when the filler needs to be taken out for replacement or maintenance, the mounting frame corresponding to the filler needing to be taken out is directly lifted out of the mounting groove, so that the operation is simple and convenient;
2. the damping mechanism provides resistance between the mounting frame and the mounting groove, and reduces the situation that the mounting groove is damaged due to too high insertion speed of the mounting frame;
3. the filler is straightened, and the condition that the filler shakes in water to cause crossing is reduced.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view showing the relationship between the mounting frame and the mounting groove in embodiment 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural view between the installation frame and the installation groove in embodiment 2;
FIG. 5 is an enlarged schematic view of portion B of FIG. 4;
fig. 6 is a schematic view of embodiment 3.
Reference numerals: 1. adjusting an acidification tank; 2. a contact oxidation pond; 3. a sedimentation tank; 4. a clean water tank; 5. a tank body; 6. installing a frame; 7. a filler; 8. mounting grooves; 9. vertical channel steel; 10. transverse channel steel; 11. a damping bearing; 12. a friction washer; 13. a connecting ring; 14. and (5) screwing a thread.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: contact oxidation pond, as shown in fig. 1 and fig. 2, including the cell body 5 that is the cuboid setting, 5 open-top of cell body, fixed mounting has a plurality of vertical channel-section steels 9 on the pool wall of cell body 5 along its length direction both sides, a plurality of vertical channel-section steels 9 equidistant intervals on the pool wall with one side set up, the quantity unanimity and the one-to-one of vertical channel-section steel 9 of both sides, the notch of the vertical channel-section steel 9 of one-to-one sets up relatively, the top opening of vertical channel-section steel 9, the welding has ascending horizontal channel-section steel 10 of notch between the bottom of two vertical channel-section steels 9 of one-to-one, horizontal channel-section steel 10 is apart from the cell body 5 third of about the 5 degree of depth of cell body.
The corresponding horizontal channel-section steel 10 and the vertical channel-section steel 9 that sets up constitute mounting groove 8, and it has the installing frame 6 of rectangle to peg graft on the mounting groove 8, and the both sides and the cooperation of 9 sliding connection of vertical channel-section steel of installing frame 6, the bottom side cooperates with 10 butts of horizontal channel-section steel.
Transversely equidistant range has the filler 7 of a plurality of vertical settings on the installing frame 6, and the upper and lower both ends of filler 7 are ligature respectively and are fixed with go-between 13, and integrated into one piece has screw 14 on the go-between 13 to screw 14 threaded connection is in installing frame 6, makes go-between 13 can dismantle connect in installing frame 6, and two go-between 13 that correspond straighten filler 7.
With reference to fig. 2 and 3, a damping mechanism is provided between the mounting frame 6 and the mounting groove 8 for providing a resistance between the mounting frame 6 and the mounting groove 8 during insertion of the mounting frame 6 into the mounting groove 8.
Damping mechanism is including rotating a plurality of damping bearing 11 of connecting in installing frame 6 and two sides of vertical channel-section steel 9 sliding connection complex, damping bearing 11 most is located installing frame 6, part protrusion in installing frame 6's side, the quantity of the damping bearing 11 of installing frame 6 both sides is unanimous, and the equidistant interval setting of damping bearing 11 with one side, damping bearing 11's pivot perpendicular to installing frame 6 inserts the direction of inserting of mounting groove 8, damping bearing 11's surface is provided with when installing frame 6 inserts mounting groove 8 with the inside wall butt complex friction packing ring 12 of vertical channel-section steel 9, friction packing ring 12 adopts resin material, damping bearing 11's direction of rotation sets up to lock on the direction of rotation that inserts mounting groove 8 corresponding to installing frame 6, free rotation in another direction.
The specific working process is as follows: when the packing 7 needs to be taken out for replacement or maintenance, the mounting frame 6 corresponding to the packing 7 needing to be taken out is directly taken out from the mounting groove 8, the friction washer 12 abuts against the mounting groove 8 in the process of taking out the mounting frame 6, the damping bearing 11 freely rotates at the moment, the mounting groove 8 provides upward rolling friction force for the mounting frame 6, the rolling friction force is small, and the mounting frame 6 can be smoothly taken out.
At the in-process that installing frame 6 inserted mounting groove 8, friction packing ring 12 offsets with mounting groove 8, and damping bearing 11 locks this moment, and mounting groove 8 provides ascending slip frictional force for installing frame 6, reduces installing frame 6 male speed to along with installing frame 6 inserts the degree of depth increase of mounting groove 8, the resistance that provides is big more, effectively protects mounting groove 8.
Example 2: the contact oxidation pond is different from the embodiment 1 in a damping mechanism, as shown in fig. 4 and 5, in the embodiment, the damping mechanism includes a plurality of damping bearings 11 rotatably connected to the vertical channel steel 9, the number of the damping bearings 11 of the vertical channel steel 9 on both sides is the same, and the damping bearings 11 on the same vertical channel steel 9 are arranged at equal intervals.
The length direction of its vertical channel-section steel 9 at the place of damping bearing 11's pivot perpendicular to, damping bearing 11's surface is provided with when installing frame 6 inserts mounting groove 8 with the lateral wall butt complex friction packing ring 12 of installing frame 6, and friction packing ring 12 adopts resin material, and damping bearing 11's direction of rotation sets up to lock on the direction of rotation that inserts mounting groove 8 corresponding to installing frame 6, free rotation in another direction.
The specific working process is as follows: when filler 7 is required to be taken out for replacement or maintenance, the mounting frame 6 corresponding to the filler 7 required to be taken out is directly put forward from the mounting groove 8, the friction washer 12 is abutted to the vertical channel steel 9 in the process of putting forward the mounting frame 6, the damping bearing 11 freely rotates at the moment, the vertical channel steel 9 provides upward rolling friction force for the mounting frame 6, the rolling friction force is small, and the mounting frame 6 can be smoothly put forward.
At the in-process that installing frame 6 inserted mounting groove 8, friction packing ring 12 offsets with installing frame 6, and damping bearing 11 locks this moment and dies, and vertical channel-section steel 9 provides ascending slip frictional force for installing frame 6, reduces installing frame 6 male speed to along with the degree of depth increase that installing frame 6 inserted mounting groove 8, the resistance that provides is big more, effectively protects installing groove 8.
Example 3: the community sewage treatment system, as shown in fig. 6, comprises the contact oxidation tank 2 according to embodiment 1 or embodiment 2, and further comprises a regulating acidification tank 1, a sedimentation tank 3 and a clean water tank 4, wherein the regulating acidification tank 1, the contact oxidation tank 2, the sedimentation tank 3 and the clean water tank 4 are connected in sequence, a submersible aerator is installed in the contact oxidation tank 2, and a submersible pump (not shown in the figure) is installed in the clean water tank 4.
Has the advantages that: collecting and introducing sewage in a community into a regulating and acidifying tank 1, degrading organic matters in the water, and releasing phosphorus contained in the sewage and bacterial cells as soluble phosphorus under an anaerobic condition and absorbing the phosphorus by bacteria; sewage in the adjusting acidification tank 1 flows to the contact oxidation tank 2 automatically, a submersible aerator is arranged in the contact oxidation tank 2, the wastewater is fully mixed with sludge under the strong stirring action of air, organic matters in the wastewater are absorbed and removed due to the metabolism of microorganisms in the sludge, and amine nitrogen in the wastewater can be removed by nitrification due to aerobic aeration; the water flows to a sedimentation tank 3 for treatment, and the sludge can be pumped out and is required to be treated by qualified environmental sanitation departments; the supernatant is disinfected by bleaching powder and flows into a clean water tank 4, and a submersible pump is arranged in the clean water tank 4 to recycle the purified water.
And when needing to take out the packing 7 and change or maintain, directly will need the packing 7 that takes out correspond the installing frame 6 from the mounting groove 8 propose can, easy operation is convenient.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The contact oxidation tank is characterized by comprising a tank body (5), wherein a plurality of mounting frames (6) are arranged in the tank body (5) at intervals, a filler (7) is mounted on each mounting frame (6), and a plurality of mounting grooves (8) for the mounting frames (6) to be inserted into are formed in the tank body (5); a damping mechanism is arranged between the mounting frame (6) and the mounting groove (8), and the damping mechanism provides resistance between the mounting frame (6) and the mounting groove (8) in the process that the mounting frame (6) is inserted into the mounting groove (8); damping mechanism is including rotating damping bearing (11) of connecting in installing frame (6), the surface of damping bearing (11) is provided with and inserts the insertion direction of mounting groove (8) with mounting groove (8) butt complex friction packing ring (12), the pivot perpendicular to installing frame (6) of damping bearing (11) inserts the mounting groove (8), damping bearing (11) are dead in the lock on the rotation direction that inserts mounting groove (8) corresponding to installing frame (6), free rotation in another direction.
2. The contact oxidation tank as claimed in claim 1, wherein the mounting groove (8) comprises vertical channel steel (9) oppositely arranged on two opposite inner side walls of the tank body (5) and transverse channel steel (10) connected between the bottoms of the two vertical channel steel (9), and two sides of the mounting frame (6) are respectively matched with a vertical sliding chute in a sliding connection manner.
3. The contact oxidation tank as claimed in claim 1, wherein the damping bearings (11) are provided in number and on both sides of the mounting frame (6) opposite to the mounting groove (8).
4. The contact oxidation cell according to claim 1, wherein the damping mechanism comprises a damping bearing (11) rotatably connected to the mounting groove (8), the outer surface of the damping bearing (11) is provided with a friction washer (12) in abutting engagement with the mounting frame (6), the rotation axis of the damping bearing (11) is perpendicular to the length direction of the mounting groove (8), and the damping bearing (11) is locked in the rotation direction corresponding to the insertion of the mounting frame (6) into the mounting groove (8).
5. The contact oxidation cell according to claim 4, wherein the damping bearings (11) are arranged in a plurality at intervals along the length direction of the mounting groove (8).
6. The contact oxidation tank as claimed in claim 1, wherein the mounting frame (6) is provided with a connecting ring (13) at the position corresponding to the two ends of the packing (7), and the two ends of the packing (7) are respectively bound and fixed with a connecting ring (13).
7. The contact oxidation cell according to claim 6, wherein the connection ring (13) is detachably connected to the mounting frame (6).
8. Community wastewater treatment system, comprising a contact oxidation tank (2) according to any of claims 1 to 7, further comprising a conditioning acidification tank (1), a sedimentation tank (3) and a clean water tank (4), wherein the conditioning acidification tank (1), the contact oxidation tank (2), the sedimentation tank (3) and the clean water tank (4) are connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017372.8A CN109574228B (en) | 2019-01-08 | 2019-01-08 | Contact oxidation pond and district sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017372.8A CN109574228B (en) | 2019-01-08 | 2019-01-08 | Contact oxidation pond and district sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN109574228A CN109574228A (en) | 2019-04-05 |
| CN109574228B true CN109574228B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910017372.8A Expired - Fee Related CN109574228B (en) | 2019-01-08 | 2019-01-08 | Contact oxidation pond and district sewage treatment system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386674A (en) * | 2019-06-19 | 2019-10-29 | 盐城恒泽水环境治理有限公司 | A kind of rotating contact oxidation unit for sewage treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139617A1 (en) * | 2007-05-14 | 2008-11-20 | Mitsubishi Rayon Engineering Co., Ltd. | Membrane filter unit |
| CN101643272A (en) * | 2009-08-13 | 2010-02-10 | 哈尔滨工程大学 | Integrated bio-contact oxidation pond |
| CN206538313U (en) * | 2017-03-14 | 2017-10-03 | 山西康力建材有限公司 | A kind of sewage disposal system |
| CN208182689U (en) * | 2018-04-03 | 2018-12-04 | 嘉诚环保工程有限公司 | Detachable filler support suitable for biological contact oxidation pond |
-
2019
- 2019-01-08 CN CN201910017372.8A patent/CN109574228B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008139617A1 (en) * | 2007-05-14 | 2008-11-20 | Mitsubishi Rayon Engineering Co., Ltd. | Membrane filter unit |
| CN101643272A (en) * | 2009-08-13 | 2010-02-10 | 哈尔滨工程大学 | Integrated bio-contact oxidation pond |
| CN206538313U (en) * | 2017-03-14 | 2017-10-03 | 山西康力建材有限公司 | A kind of sewage disposal system |
| CN208182689U (en) * | 2018-04-03 | 2018-12-04 | 嘉诚环保工程有限公司 | Detachable filler support suitable for biological contact oxidation pond |
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| CN109574228A (en) | 2019-04-05 |
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