CN108404853A - A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device - Google Patents
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device Download PDFInfo
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- CN108404853A CN108404853A CN201810333603.1A CN201810333603A CN108404853A CN 108404853 A CN108404853 A CN 108404853A CN 201810333603 A CN201810333603 A CN 201810333603A CN 108404853 A CN108404853 A CN 108404853A
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- placing frame
- annular
- denitrogenation dephosphorizing
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- composite filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention provides a kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device, composite filtering material is made of the raw material of following parts by weight：10~20 parts of modified gangue, 5~9 parts of medical stone, 5~8 parts of river sand, 0.5~1.5 part of slag, 5~15 parts of stalk；Sewage denitrification and dephosphorization device includes denitrogenation dephosphorizing pond, annular placing frame one, annular placing frame two, annular placing frame one, annular placing frame two stainless steel wire screen frame madial wall be fixed with permeable non-woven fabrics, composite filtering material is filled in it, denitrogenation dephosphorizing pond inner bottom surface is equipped with annular ledge one, annular ledge two, annular placing frame one is positioned on annular ledge one, annular placing frame two is positioned on annular ledge two, is stretched into the circular space of annular placing frame two into sewage pipe；Composite filtering material of the present invention has good suction-operated to the phosphate radical in sewage and denitrification effect is good, and denitrogenation dephosphorizing device can greatly increase contact of the sewage with composite filtering material, to make nitrogen, tp removal rate significantly improve.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of rural scattered domestic sewage denitrogenation dephosphorizing use is multiple
Close filtrate and device.
Background technology
In recent years, rural culture industry rapidly develops, and causes Rural Water Environment seriously polluted.Domestic sewage in rural areas is containing organic
The pollutant components such as substance, phosphorus and nitrogen, suspended matter and germ, each pollutant emission mass concentration are generally：CODCrIt is 250
~400mg/L, NH3- N is 40~60mg/L, and TP is 2.5~5.0mg/L.Domestic sewage in rural areas after biochemical treatment, COD and
BOD5Indexs such as (biochemical oxygen demand (BOD)s on the 5th) disclosure satisfy that emission request, and the removal of nitrogen, phosphorus is then relative complex, is related to multiple lifes
Object degradation process, and each process causes the removal effect of TN and TP bad, it is difficult to directly reach environmental requirement difference《City
Town Wastewater Treatment discharge standard》(GB18918-2002) level-one emission standard A.Thus it is guaranteed that water outlet TN and TP is dense
Spend a great problem of always field of rural sewage water treatment up to standard.
Currently, distributing technology for treating domestic sewage in rural area mainly has artificial wet land system, stabilization pond, ecological floating island, tower
Formula biofilter, manpower rapid-infiltration subsurface wastewater infiltration system and anaerobic baffled reactor etc..These technologies exist processing load it is not high,
Floor space is larger and temperature influences the shortcomings of notable or operational management is complicated.Importantly, some of which technology is de-
Nitrogen dephosphorization ability is limited.In recent years, adsorption technology in terms of denitrogenation dephosphorizing because it is simple for process, efficiently quickly, low energy consumption, take up an area face
Product is small and usage range is extensively concerned.
Invention content
The purpose of the present invention is to provide a kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and devices, multiple
Conjunction filtrate has good suction-operated to the phosphate radical in sewage and denitrification effect is good, and denitrogenation dephosphorizing device can greatly increase
Contact of the sewage with composite filtering material, to make nitrogen, tp removal rate significantly improve.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, is made of the raw material of following parts by weight：It is modified
10~20 parts of gangue, 5~9 parts of medical stone, 5~8 parts of river sand, 0.5~1.5 part of slag, 5~15 parts of stalk.
Preferably, the composite filtering material is made of the raw material of following parts by weight：16 parts of modified gangue, 8 parts of medical stone, river
6 parts husky, 0.9 part of slag, 9 parts of stalk.
Preferably, the modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
Preferably, the rural scattered domestic sewage denitrogenation dephosphorizing is prepared with composite filtering material by following methods：
(1) each raw material is weighed by recipe ratio；Modified gangue, medical stone powder are broken to 20~40 mesh, stalk is crushed, is made
The length of 2~5cm；
(2) modified gangue, medical stone, the stalk after crushing are uniformly mixed with river sand, slag to get the composite filter
Material.
A kind of rural scattered domestic sewage denitrogenation dephosphorizing device, including denitrogenation dephosphorizing pond, annular placing frame one, annular
Placing frame two, into sewage pipe, outlet pipe, the annular placing frame one, annular placing frame two include stainless steel wire screen frame, described
Stainless steel wire screen frame madial wall is fixed with permeable non-woven fabrics, filled in the annular placing frame one, annular placing frame two just like
The preparation-obtained composite filtering material of claim 4, the denitrogenation dephosphorizing pond are cylindrical in shape, and inner bottom surface is equipped with annular ledge one,
It is equipped with and its annular ledge two with phase concentric, the annular ledge one, two lower face of annular ledge in annular ledge one
Multiple locating slots are evenly equipped with around its center of circle, the annular placing frame one, two lower face of annular placing frame is respectively and fixedly provided with and institute
The corresponding positioning column of locating slot is stated, the annular placing frame one is positioned on annular ledge one, and annular placing frame two is positioned over
On annular ledge two, the positioning column is respectively positioned in corresponding locating slot, it is described into sewage pipe stretch into annular placing frame two surround
Space in, denitrogenation dephosphorizing pond side side wall be equipped with outlet pipe.
Preferably, the thickness of the composite filtering material in the annular placing frame two is 15~20cm；In annular placing frame one
The thickness of composite filtering material is 10~15cm.
Preferably, the annular placing frame one, two upper end of annular placing frame are equipped with the lid to match, the lid one
End is rotatablely connected with stainless steel wire screen frame, and the other end is clamped with stainless steel wire screen frame.
Preferably, described into being equipped with valve on sewage pipe, outlet pipe.
Preferably, the internal diameter in the denitrogenation dephosphorizing pond is 2.5 meters, a height of 1 meter；The internal diameter of annular placing frame one is 1.8 meters,
A height of 0.8 meter；The internal diameter of annular placing frame two is 0.7 meter, a height of 0.8 meter.
Denitrogenation dephosphorizing of the present invention with composite filtering material in handling rural scattered domestic sewage by applying well.
The beneficial effects of the invention are as follows：
1, in the present invention, composite filtering material is mixed to prepare by being modified bastard coal, medical stone, river sand, slag, stalk, prepares work
Skill is simple, can be now with the current in rural area, very convenient, while the species substance matches, and has to the phosphate radical in sewage
Good suction-operated and denitrification effect is good, to make nitrogen, tp removal rate significantly improve.
2, the denitrogenation dephosphorizing device in the present invention, sanitary sewage first pass through annular placing frame two, annular placing frame successively
One filtering, can greatly increase contact of the sewage with composite filtering material, can effectively improve filter effect and filter efficiency.And annular is put
It sets frame to can be taken off in use for some time, the composite filtering material in frame can be replaced, it is easy to operate.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the sectional view of denitrogenation dephosphorizing device of the present invention；
Fig. 2 is the vertical view of denitrogenation dephosphorizing device of the present invention；
Fig. 3 is enlarged drawing at the A of Fig. 1；
In figure：1, denitrogenation dephosphorizing pond；2, annular placing frame one；3, annular placing frame two；4, into sewage pipe；5, outlet pipe；
6, stainless steel wire screen frame；7, permeable non-woven fabrics；8, composite filtering material；9, annular ledge one；10, annular ledge two.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, is made of the raw material of following parts by weight：It is modified
16 parts of gangue, 8 parts of medical stone, 6 parts of river sand, 0.9 part of slag, 9 parts of stalk.
The composite filtering material is prepared by following methods：
(1) each raw material is weighed by recipe ratio；Modified gangue, medical stone powder are broken to 20~40 mesh, stalk is crushed, is made
The length of 2~5cm；
(2) modified gangue, medical stone, the stalk after crushing are uniformly mixed with river sand, slag to get the composite filter
Material.
Above-mentioned modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
Embodiment 2：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, is made of the raw material of following parts by weight：It is modified
20 parts of gangue, 5 parts of medical stone, 7 parts of river sand, 1 part of slag, 15 parts of stalk.
The following methods of the composite filtering material are prepared with embodiment 1.
Above-mentioned modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
Implement 3：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, is made of the raw material of following parts by weight：It is modified
18 parts of gangue, 9 parts of medical stone, 5 parts of river sand, 0.5 part of slag, 8 parts of stalk.
The following methods of the composite filtering material are prepared with embodiment 1.
Above-mentioned modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
Embodiment 4：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, is made of the raw material of following parts by weight：It is modified
10 parts of gangue, 8 parts of medical stone, 8 parts of river sand, 1.5 parts of slag, 5 parts of stalk.
The following methods of the composite filtering material are prepared with embodiment 1.
Above-mentioned modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
Embodiment 5：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing device, including denitrogenation dephosphorizing pond 1, annular placing frame 1, ring
Shape placing frame 23, into sewage pipe 4, outlet pipe 5, annular placing frame 1, annular placing frame 23 include stainless steel wire screen frame 6,
6 madial wall of stainless steel wire screen frame is fixed with permeable non-woven fabrics 7, this is filled in annular placing frame 1, annular placing frame 23
The composite filtering material 8 that inventive embodiments 1 are prepared, denitrogenation dephosphorizing pond 1 are cylindrical in shape, and inner bottom surface is equipped with annular ledge 1, ring
It is equipped with and its annular ledge 2 10 with phase concentric, annular ledge 1,2 10 lower face of annular ledge in shape bearing 1
Be evenly equipped with multiple locating slots around its center of circle, annular placing frame 1,23 lower face of annular placing frame be respectively and fixedly provided with it is described
The corresponding positioning column of locating slot, annular placing frame 1 are positioned on annular ledge 1, and annular placing frame 23 is positioned over annular
On bearing 2 10, positioning column is respectively positioned in corresponding locating slot, is stretched into the circular space of annular placing frame 23 into sewage pipe 4,
1 side side wall of denitrogenation dephosphorizing pond is equipped with outlet pipe 5.
Wherein, the thickness of the composite filtering material 8 in annular placing frame 23 is 20cm；Composite filtering material in annular placing frame 1
8 thickness is 10cm.
Wherein, annular placing frame 1, annular 23 upper end of placing frame are equipped with the lid to match, lid one end with it is stainless
Steel wire screen frame 6 is rotatablely connected, and the other end is clamped with stainless steel wire screen frame 6.
Wherein, into being equipped with valve on sewage pipe 4, outlet pipe 5.
Wherein, the internal diameter in denitrogenation dephosphorizing pond 1 is 2.5 meters, a height of 1 meter；The internal diameter of annular placing frame 1 is 1.8 meters, a height of
0.8 meter；The internal diameter of annular placing frame 23 is 0.7 meter, a height of 0.8 meter.
Embodiment 6：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing device, except in annular placing frame 1, annular placing frame 23
It is filled with the composite filtering material 8 that the embodiment of the present invention 2 is prepared, the thickness of the composite filtering material 8 in annular placing frame 23 is
The thickness of 15cm, the composite filtering material 8 in annular placing frame 1 are outside 10cm；Other structures are the same as embodiment 5.
Embodiment 7：
A kind of rural scattered domestic sewage denitrogenation dephosphorizing device, except in annular placing frame 1, annular placing frame 23
It is filled with the composite filtering material 8 that the embodiment of the present invention 3 is prepared, the thickness of the composite filtering material 8 in annular placing frame 23 is
The thickness of 18cm, the composite filtering material 8 in annular placing frame 1 are outside 12cm；Other structures are the same as embodiment 5.
Performance test：
1, sanitary sewage is passed through into the rural scattered domestic sewage denitrogenation dephosphorizing device into sewage pipe importing embodiment 5
The circular space of annular placing frame two in, and sewage is made to be stopped 3 hours in denitrogenation dephosphorizing pond, corresponding NH4 +- N's and P goes
Except rate can respectively reach 94.8% and 73.6%.
2, sanitary sewage is passed through into the rural scattered domestic sewage denitrogenation dephosphorizing device into sewage pipe importing embodiment 6
The circular space of annular placing frame two in, and sewage is made to be stopped 3 hours in denitrogenation dephosphorizing pond, corresponding NH4 +- N's and P goes
Except rate can respectively reach 93.3% and 72.9%.
3, sanitary sewage is passed through into the rural scattered domestic sewage denitrogenation dephosphorizing device into sewage pipe importing embodiment 7
The circular space of annular placing frame two in, and sewage is made to be stopped 3 hours in denitrogenation dephosphorizing pond, corresponding NH4 +- N's and P goes
Except rate can respectively reach 94.2% and 70.6%.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material, which is characterized in that by the raw material of following parts by weight
Composition：10~20 parts of modified gangue, 5~9 parts of medical stone, 5~8 parts of river sand, 0.5~1.5 part of slag, 5~15 parts of stalk.
2. rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material according to claim 1, which is characterized in that by with
The raw material of lower parts by weight forms：16 parts of modified gangue, 8 parts of medical stone, 6 parts of river sand, 0.9 part of slag, 9 parts of stalk.
3. rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material according to claim 1, which is characterized in that described
Modified gangue is to pass through gangue successively obtained by high-temperature roasting pretreatment, acidification.
4. according to claim 1-3 any one of them rural scattered domestic sewage denitrogenation dephosphorizing composite filtering materials, feature
It is, is prepared by following methods：
(1) each raw material is weighed by recipe ratio；Modified gangue, medical stone powder are broken to 20~40 mesh, stalk is crushed, makes its length
Degree is 2~5cm；
(2) modified gangue, medical stone, the stalk after crushing are uniformly mixed with river sand, slag to get the composite filtering material.
5. a kind of rural scattered domestic sewage denitrogenation dephosphorizing device, it is characterised in that：It is placed including denitrogenation dephosphorizing pond, annular
Frame one, annular placing frame two, into sewage pipe, outlet pipe, the annular placing frame one, annular placing frame two include stainless steel wire
Screen frame, the stainless steel wire screen frame madial wall are fixed with permeable non-woven fabrics, in the annular placing frame one, annular placing frame two
Just like the preparation-obtained composite filtering material of claim 4, the denitrogenation dephosphorizing pond is cylindrical in shape for filling, and inner bottom surface is equipped with annular
Bearing one, is equipped in annular ledge one and its annular ledge two with phase concentric, the annular ledge one, annular ledge two
Lower face is evenly equipped with multiple locating slots around its center of circle, and the annular placing frame one, two lower face of annular placing frame are fixed
There are positioning column corresponding with the locating slot, the annular placing frame one to be positioned on annular ledge one, annular placing frame two
It is positioned on annular ledge two, the positioning column is respectively positioned in corresponding locating slot, described to stretch into annular placing frame into sewage pipe
In two circular spaces, denitrogenation dephosphorizing pond side side wall is equipped with outlet pipe.
6. rural scattered domestic sewage denitrogenation dephosphorizing device according to claim 5, it is characterised in that：The annular
The thickness of composite filtering material in placing frame two is 15~20cm；The thickness of composite filtering material in annular placing frame one be 10~
15cm。
7. rural scattered domestic sewage denitrogenation dephosphorizing device according to claim 5, it is characterised in that：The annular
Placing frame one, two upper end of annular placing frame are equipped with the lid to match, and described lid one end connects with the rotation of stainless steel wire screen frame
It connects, the other end is clamped with stainless steel wire screen frame.
8. rural scattered domestic sewage denitrogenation dephosphorizing device according to claim 5, it is characterised in that：It is described into dirt
It is equipped with valve on water pipe, outlet pipe.
9. rural scattered domestic sewage denitrogenation dephosphorizing device according to claim 5, it is characterised in that：The denitrogenation
The internal diameter in dephosphorization pond is 2.5 meters, a height of 1 meter；The internal diameter of annular placing frame one is 1.8 meters, a height of 0.8 meter；Annular placing frame two
Internal diameter be 0.7 meter, a height of 0.8 meter.
10. according to claim 1-3 any one of them denitrogenation dephosphorizing composite filtering materials in processing rural scattered domestic sewage
Application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333603.1A CN108404853A (en) | 2018-04-13 | 2018-04-13 | A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333603.1A CN108404853A (en) | 2018-04-13 | 2018-04-13 | A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device |
Publications (1)
| Publication Number | Publication Date |
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| CN108404853A true CN108404853A (en) | 2018-08-17 |
Family
ID=63135672
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| CN201810333603.1A Pending CN108404853A (en) | 2018-04-13 | 2018-04-13 | A kind of rural scattered domestic sewage denitrogenation dephosphorizing composite filtering material and device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140137A1 (en) * | 1999-01-26 | 2002-10-03 | Vita Special Purpose Corporation | Inorganic shaped bodies and methods for their production and use |
| CN205575878U (en) * | 2016-04-11 | 2016-09-14 | 浙江尚源环境科技有限公司 | Unpowered treatment facility of rural domestic sewage |
| CN205603244U (en) * | 2016-03-25 | 2016-09-28 | 苏交科集团股份有限公司 | Combined drum filter |
| CN107381802A (en) * | 2017-07-12 | 2017-11-24 | 同济大学 | A kind of efficient denitrogenation dephosphorizing sewage water treatment method |
-
2018
- 2018-04-13 CN CN201810333603.1A patent/CN108404853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140137A1 (en) * | 1999-01-26 | 2002-10-03 | Vita Special Purpose Corporation | Inorganic shaped bodies and methods for their production and use |
| CN205603244U (en) * | 2016-03-25 | 2016-09-28 | 苏交科集团股份有限公司 | Combined drum filter |
| CN205575878U (en) * | 2016-04-11 | 2016-09-14 | 浙江尚源环境科技有限公司 | Unpowered treatment facility of rural domestic sewage |
| CN107381802A (en) * | 2017-07-12 | 2017-11-24 | 同济大学 | A kind of efficient denitrogenation dephosphorizing sewage water treatment method |
Non-Patent Citations (2)
| Title |
|---|
| 刘海成等: "改性煤矸石处理鱼塘养殖废水的试验研究", 《矿业研究与开发》 * |
| 陈琳荔等: "改性麦饭石对水中氮磷的去除", 《食品与生物技术学报》 * |
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Application publication date: 20180817 |