CN207552140U - A kind of unpowered Buried Domestic Sewage Treatment Facility - Google Patents
A kind of unpowered Buried Domestic Sewage Treatment Facility Download PDFInfo
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- CN207552140U CN207552140U CN201820068478.1U CN201820068478U CN207552140U CN 207552140 U CN207552140 U CN 207552140U CN 201820068478 U CN201820068478 U CN 201820068478U CN 207552140 U CN207552140 U CN 207552140U
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- filter
- aerobe
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- pond
- domestic sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 38
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- 239000000463 material Substances 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 18
- 239000004575 stone Substances 0.000 claims abstract description 15
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 11
- 241000894006 Bacteria Species 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 239000010457 zeolite Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 241001466460 Alveolata Species 0.000 claims description 4
- 244000060011 Cocos nucifera Species 0.000 claims description 4
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 239000010903 husk Substances 0.000 claims 1
- 238000000855 fermentation Methods 0.000 abstract description 5
- 230000004151 fermentation Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000005416 organic matter Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
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- 230000000844 anti-bacterial effect Effects 0.000 description 3
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- 230000002588 toxic effect Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 230000002550 fecal effect Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- 239000011449 brick Substances 0.000 description 1
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- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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- 230000015689 metaplastic ossification Effects 0.000 description 1
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- 210000000056 organ Anatomy 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of unpowered Buried Domestic Sewage Treatment Facilities, including anaerobic fermentation pond, filtering ponds and aerobe baffling filtering ditch, it is characterized in that there are sewage inlet, precipitation anaerobic pond, gas outlet, biological filter, biologic packing material pond, the compositions such as clarifying filter room, aerobe baffling filtering ditch, precipitation is provided with honeycomb inclined-tube in detesting, and three layer filtration device is provided in biological filter (aerobic stone；Zeolite；Haydites of book structure), the filler that polypropylene filler adds activity bacterium mud is provided in biologic packing material pond, it is provided in clarifying filter room and strengthens clarifying filter and spring hose connector, aerobic stone filter layer and deflected current wall and unpowered blast cap are equipped in aerobe baffling filtering ditch, have treated water outlet in aerobe baffling filtering ditch end, fermentation vat, filtering ponds adjacent two pond between lower part have fluid connection pipe.The application device does not have to site operation, and assembled in situ, faster safer, stable quality is factory produced.
Description
Technical field
The utility model is related to a kind of sewage-treatment plant, more particularly to a kind of unpowered buried purifying domestic sewage dress
It puts.
Background technology
Sanitary sewage is essentially from family, organ, business and urban public utilities.Wherein it is mainly that excrement and washing are dirty
Water, concentration are discharged into city sewer pipe network system, and the pollutant contained by sanitary sewage is mainly organic matter (such as protein, carbon water
Compound, fat, urea, ammonia nitrogen etc.) and a large amount of pathogenic microorganisms (such as parasitic ovum and enteric infection virus).It is present in life
Organic matter in sewage living is extremely unstable, easily degenerates and generates stench.Bacterium and pathogen using in sanitary sewage organic matter as
Nutrition and amount reproduction can cause infectious disease from spreading popular.Therefore, it must be handled before sanitary sewage discharge.
Existing sewage treatment unit is typically brick mix structure, makes and takes long and be difficult to standardize, many
Reach after sewage disposal《Integrated wastewater discharge standard》GB8978-1996 standards, actually above-mentioned effluent-disposal standard is low,
It is out-of-date, current standard《Urban wastewater treatment firm pollutant emission standard》GB18918----2002, and existing sewage disposal fills
The requirement of new standard can not be met by putting, and existing sewage-treatment plant has been also equipped with fermentation vat, 2 biological filter material ponds, 1 life
Object filter tank, a sealing oxidation ditch, but without using inclined-tube sedimentation tank, it is impossible to effective precipitating sludge, a biological filter
Existing sewage disposal requirement cannot be met, and filtrate is single, it is impossible to play the function of bactericidal, it is impossible to remove peculiar smell in water removal
Foreign odor and trace toxic harmful substance, oxidation ditch in the case that it is closed cannot be fully oxidized.
Invention content
In order to solve the above problem of existing sewage treatment unit, the utility model proposes a kind of unpowered buried
Formula domestic sewage purification device.A kind of unpowered Buried Domestic Sewage Treatment Facility, including precipitating anaerobic pond 2, biofiltration
The biological treatment device that pond 4 and biologic packing material pond 5 form, clarifying filter room 6 and aerobe baffling filtering ditch 7, and precipitate
Anaerobic pond 2, biological treatment device, clarifying filter room 6 and aerobe baffling filtering ditch 7 are connected successively by fluid communication pipe 13
It connects, precipitates in anaerobic pond 2 and be provided with honeycomb inclined-tube 8, multi-bed filter 9 is provided in biological filter 4, which is characterized in that good
Oxygen biology baffling filtering ditch 7 is provided with unpowered blast cap 14.
Further, the biological treatment dress that the precipitation anaerobic pond 2, biological filter 4 and biologic packing material pond 5 form
It puts, clarifying filter room 6 and aerobe baffling filtering ditch 7 are all assembling concrete prefabricated structure.
Further, filter 9 is 3-tier architecture, and the 3-tier architecture is aerobic stone 9-1, zeolite 9-2, haydites of book structure 9-
3。
Further, the filler 10 that polypropylene filler adds activity bacterium mud is provided in biologic packing material pond 5.
Further, it is provided in clarifying filter room 6 and strengthens clarifying filter 11 and spring hose connector 12.
Further, it is additionally provided with aerobic stone filter layer 7-2 and deflected current wall 7-1 in aerobe baffling filtering ditch 7.
Further, deflected current wall 7-1 is multiple and is uniformly arranged on aerobic stone filter layer 7-2, unpowered blast cap 14
In 7 top of aerobe baffling filtering ditch, and 7 end of aerobe baffling filtering ditch is equipped with treated water outlet 15.
Further, 2 upper end of precipitation anaerobic pond is provided with sewage inlet 1 and gas outlet 3.
Further, there are two the biological treatment devices that biological filter 4 and biologic packing material pond 5 form.
Further, strengthen clarifying filter 11 and include active carbon fiber felt 11-1, Alveolate activated carbon strainer 11-2, rare earth porcelain
Husky filtrate 11-3, cocoanut active charcoal 11-4, active carbon loading silver 11-5.
A kind of unpowered Buried Domestic Sewage Treatment Facility of the utility model has：1st, without site operation, factory
Metaplasia produces assembled in situ, faster safer, stable quality；2nd, inclined-tube sedimentation tank is increased, mitigates subsequent filter device pressure, makes
Filter device service life is longer；3rd, filter layer, and filtrate diversification are increased, impurities in water, peculiar smell can have been effectively removed
Smelly and trace toxic harmful substance plays the function of bactericidal, and filtering is more thorough, makes water outlet limpider；4th, oxygen is increased
Change the unpowered blast cap of ditch, provide oxygen by unpowered blast cap, keep and enhance the aerobic state of oxidation ditch.It is filled through the utility model
Putting the sanitary sewage of processing can reach《Decontamination of human excreta hygienic requirements》GB7959----2012 and《Urban wastewater treatment firm is dirty
Contaminate object discharge standard》GB18918----2002, you can discharged from water outlet 15, suitably utilize or enter at municipal water
Manage webmaster.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Reference numeral：
1st, sewage inlet；2nd, sedimentation basin；3rd, gas outlet；4th, biological filter；5th, biologic packing material pond；6th, clarifying filter room；7、
Aerobe baffling filters ditch；7-1, deflected current wall；7-2, aerobic stone filter layer 8, honeycomb inclined-tube；9th, filter；9-1, aerobic stone；
9-2, zeolite；9-3, haydites of book structure；10th, polypropylene filler adds activity bacterium mud；11st, strengthen clarifying filter；11-1, activated carbon fibre
Felt；11-2, Alveolate activated carbon strainer；11-3, rare earth porcelain sand filtrate；11-4, cocoanut active charcoal；11-5, active carbon loading silver；
12nd, spring hose connector；13rd, connecting tube；14th, unpowered blast cap；15th, water outlet.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of description the utility model and simplifies description rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this practicality
Novel limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " setting " should be interpreted broadly, for example, it may be being fixedly linked, setting or be detachably connected, set
It puts or is integrally connected, set.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
As can be seen from FIG. 1, unpowered Buried Domestic Sewage Treatment Facility, including anaerobic fermentation pond, filtering ponds and aerobic
Biological baffling filters ditch, it is characterised in that has sewage inlet 1, precipitation anaerobic pond 2, gas outlet 3, biological filter 4, biologic packing material
Pond 5, the parts such as clarifying filter room 6, aerobe baffling filtering ditch 7 form, and wherein biological filter 4 and biologic packing material pond 5 forms
Biological treatment device, the quantity of biological treatment device is N number of, and biological treatment performance is best at this time by preferred N=2,
Precipitation detests honeycomb inclined-tube 8 is provided in 2, and filter is provided in biological filter 49, and filter, which has, 9 is preferably
3 layers, the aerobic stones of specially 9-1；9-2 zeolites；9-3 haydites of book structure is provided with polypropylene filler in biologic packing material pond 5 and adds active bacteria
The filler 10 of mud is provided in clarifying filter room 6 and strengthens clarifying filter 11 and spring hose connector 12, aerobe baffling filtering ditch 7
Aerobic stone filter layer 7-2 and deflected current wall 7-1 and unpowered blast cap 14 are inside equipped with, is had in 7 end of aerobe baffling filtering ditch
Treated water outlet 15, fermentation vat, filtering ponds adjacent two pond between lower part have fluid connection pipe 13,
Precipitate anaerobic pond 2, the biological treatment device that biological filter 4 and biologic packing material pond 5 form, clarifying filter room 6 and
Aerobe baffling filtering ditch 7 is all assembling concrete prefabricated structure, the utility model is unpowered buried sanitary sewage
Purifier is buried design, is assembled using buried reinforced concrete precast member, small investment, does not take up an area face and earth's surface is empty
Between, it is easy to operate, it is simple and easy to do, it is energy saving, efficiently, it except sewage network, can will disperse unordered discharge fecal sewage and life is dirty
Water is put together, and after being handled by this integrated treatment unit, the water after purified treatment is recycled or is discharged as required, is
It is a kind of by sewage is innoxious and the environmental purification processing unit of recycling.
The utility model device uses the concrete prefabricated production of factory normalization, the structure of on-site consolidation, present apparatus structure
It meets the requirements《Code for design of outdoor sewerage engineering》(version in 2006),《Code for design of building water supply and drainage》GB50015----2003、《It is raw
Purifying methane tank technical specification living》(NY-T1702-2009)、《Code for design of concrete structures》GB50010----2013.
The present apparatus is in use, fecal sewage and sanitary sewage delivery pipe are docked with precipitation anaerobic pond entrance, sewage is heavy
Shallow lake anaerobic pond 2 precipitates, and bits are stopped by honeycomb inclined-tube to be precipitated, and is small molecule by not degradable macromolecular structure hydrolysis of organic matter
And soluble compound, it is made easily to be degraded by microorganisms, the sewage in precipitation anaerobic pond 2 by precipitation passes through fluid connection pipe 13
Biological filter 4 is provided with (the aerobic stones of 9-1 of three layer filtration device 9 in biological filter 4；9-2 zeolites；9-3 haydites of book structure)) according to
By filtrate and flow guide system, the organic matter after acidified hydrolysis is made constantly to be retained in microorganism filter tank, and filter material can be crossed
On simultaneous oxygen bacterium degrade, can not only effectively remove carbonaceous organic material, and have certain removal effect, filtering to ammonia nitrogen
Fall remaining organic matter in water, make clarification of water, the water that filtering is passed through in biological filter 4 passes through 13 biologic packing material pond of fluid connection pipe
5, polypropylene filler available on the market is provided in biologic packing material pond 5 and adds activity bacterium mud 10, by anaerobic organism filtering ponds 2
The effect of biofilter material active bacteria, main organic matter is destroyed and is removed by anaerobism active bacteria in sewage, in order to further make water
Matter is limpid, improves filter effect, through the water that biologic packing material pond 5 is filtered through entering clarifying filter room 6 communicating pipe 13, in clarifying filter room 6
Being provided with the connection of spring hose connector 12 and strengthening clarifying filter 11 more can further filter out organic matter in water and microorganism removal
Peculiar smell foreign odor and trace toxic harmful substance in water, play the function of bactericidal, make water cleaner, 6 mistake of clarifying filter room
The water of filter is not only provided with aerobic stone mistake through entering aerobe baffling filtering ditch 7 communicating pipe 13 in aerobe baffling filtering ditch 7
Filtering layer 7-2 and deflected current wall 7-1 and the unpowered blast cap 14 in top, deflected current wall 7-1 are multiple and be uniformly arranged on aerobic stone filter layer
On 7-2, unpowered blast cap 14 is located at 7 top of aerobe baffling filtering ditch, and 7 end of aerobe baffling filtering ditch is equipped with
Treated water outlet 15, the presence of deflected current wall effectively increase the aqueous filtered and are stopped in the filtering channel of certain length
The time of filtering improves filter efficiency, and top blast cap increases the oxygen content in ditch, and the aerobic state of oxidation ditch is kept to exclude natural pond
Gas and gases strengthen clarifying filter 11 and include active carbon fiber felt 11-1, Alveolate activated carbon strainer 11-2, rare earth porcelain in addition
Husky filtrate 11-3, cocoanut active charcoal 11-4, active carbon loading silver 11-5, it is purified after Water warfare water out 15 flow out, so far, warp
Above-mentioned processed water has reached《Decontamination of human excreta hygienic requirements》GB7959----2012 and《Urban wastewater treatment firm pollutant
Discharge standard》GB18918----2002, you can discharged from water outlet, suitably utilize or enter city water process net
Pipe.
The specific volume specification of the present apparatus and the precipitation anaerobic pond used side by side, biological filter, biologic packing material pond with
Aerobe filtering ponds quantity, should be using the average sewage quantity generated daily in set region, waste concentration as foundation, because of ground system
Preferably, consider and be designed and implement, belong to the common sense of this field
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of unpowered Buried Domestic Sewage Treatment Facility, including precipitation anaerobic pond (2), biological filter (4) and biology
The biological treatment device of filler pond (5) composition, clarifying filter room (6) and aerobe baffling filtering ditch (7), and precipitate anaerobism
Pond (2), biological treatment device, clarifying filter room (6) and aerobe baffling filtering ditch (7) by fluid communication pipe (13) successively
Connection, precipitation anaerobic pond (2) is interior to be provided with honeycomb inclined-tube (8), and multi-bed filter (9) is provided in biological filter (4), special
Sign is that aerobe baffling filtering ditch (7) is provided with unpowered blast cap (14).
A kind of 2. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that the precipitation
Anaerobic pond (2), the biological treatment device of biological filter (4) and biologic packing material pond (5) composition are clarifying filter room (6) and aerobic
Biological baffling filtering ditch (7) is all assembling concrete prefabricated structure.
A kind of 3. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that filter (9)
For 3-tier architecture, the 3-tier architecture is aerobic stone (9-1), zeolite (9-2), haydites of book structure (9-3).
A kind of 4. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that biologic packing material pond
(5) filler (10) that polypropylene filler adds activity bacterium mud is provided in.
A kind of 5. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that clarifying filter room
(6) it is provided in and strengthens clarifying filter (11) and spring hose connector (12).
6. a kind of unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that aerobe is rolled over
It flows through in filter ditch (7) and is additionally provided with aerobic stone filter layer (7-2) and deflected current wall (7-1).
A kind of 7. unpowered Buried Domestic Sewage Treatment Facility as claimed in claim 6, which is characterized in that deflected current wall (7-
1) it is multiple and be uniformly arranged on aerobic stone filter layer (7-2), unpowered blast cap (14) filters ditch positioned at aerobe baffling
(7) top, and aerobe baffling filtering ditch (7) end is equipped with treated water outlet (15).
A kind of 8. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that precipitation anaerobic pond
(2) upper end is provided with sewage inlet (1) and gas outlet (3).
A kind of 9. unpowered Buried Domestic Sewage Treatment Facility as described in claim 1, which is characterized in that biological filter
(4) and there are two the biological treatment devices of biologic packing material pond (5) composition.
10. a kind of unpowered Buried Domestic Sewage Treatment Facility as claimed in claim 5, which is characterized in that it is net to strengthen filter
Device (11) includes active carbon fiber felt (11-1), Alveolate activated carbon strainer (11-2), rare earth porcelain sand filtrate (11-3), and coconut husk is lived
Property charcoal (11-4), active carbon loading silver (11-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068478.1U CN207552140U (en) | 2018-01-16 | 2018-01-16 | A kind of unpowered Buried Domestic Sewage Treatment Facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068478.1U CN207552140U (en) | 2018-01-16 | 2018-01-16 | A kind of unpowered Buried Domestic Sewage Treatment Facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207552140U true CN207552140U (en) | 2018-06-29 |
Family
ID=62660771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820068478.1U Active CN207552140U (en) | 2018-01-16 | 2018-01-16 | A kind of unpowered Buried Domestic Sewage Treatment Facility |
Country Status (1)
| Country | Link |
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| CN (1) | CN207552140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072136A (en) * | 2019-12-30 | 2020-04-28 | 南京公诚节能新材料研究院有限公司 | Composite biological filter material for biological aerated filter |
-
2018
- 2018-01-16 CN CN201820068478.1U patent/CN207552140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072136A (en) * | 2019-12-30 | 2020-04-28 | 南京公诚节能新材料研究院有限公司 | Composite biological filter material for biological aerated filter |
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