CN106348538A - Novel multifunctional sewage treatment system - Google Patents
Novel multifunctional sewage treatment system Download PDFInfo
- Publication number
- CN106348538A CN106348538A CN201610922512.2A CN201610922512A CN106348538A CN 106348538 A CN106348538 A CN 106348538A CN 201610922512 A CN201610922512 A CN 201610922512A CN 106348538 A CN106348538 A CN 106348538A
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- China
- Prior art keywords
- drawer
- layer
- seal case
- sewage disposal
- sewage
- Prior art date
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/08—Nanoparticles or nanotubes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a novel multifunctional sewage treatment system, comprising a drawer-type sealed box body in which multiple types of filtration substrates are laid, wherein multiple drawer layers with placing cavities are arranged in the box body, a filtration substrate for purifying sewage is placed in the drawer layers respectively, and large pieces of blue stones, pebble gravels, fine sand, modified zeolite, a nano composite material and a soil layer are placed in the multiple drawer layers from bottom to top. The novel multifunctional sewage treatment system disclosed by the invention strengthens the nitrogen and phosphorus removal efficiency of a sewage treatment process, and solves the problem that heavy metal pollution is difficult to eliminate by a traditional sewage treatment process, and meanwhile, the workload of later-stage maintenance of the sewage treatment system is reduced.
Description
Technical field
The present invention relates to sewage purification processing system technical field, more particularly to a kind of Multifunction sewage disposal system
System.
Background technology
Sewage disposal is to make sewage reach a certain water body of draining or mistake that the water quality requirement that reuses is purified to it
Journey.Sewage disposal be widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc. each
Field, also comes into the daily life of common people more and more.Sanitary sewage is exactly the sewage that daily life produces, and refers to each
Plant the inorganic matters of form and the complex mixture of Organic substance, include floating and the size solid particle suspending, gluey and gel
Shape diffusate and pure solution.
In China, the increase with urban population and the development of industrial and agricultural production, quantity of wastewater effluent also increasingly increases, water body
Pollution is quite serious, and almost throughout all parts of the country.According to statistics to the end of the year 2000, the whole nation sets in 663 cities in city 310
Individual have a sewage treatment facility, build sewage treatment plant 427, year sewage load 113.6 billion cubic meter, wastewater treatment rate is only
Have 34.23%.It is that urbanization process is progressively accelerated in the past few years, and some complete sets of basic equipment facilities cannot synchronously be built
As (sewage treatment plant), building sewage treatment plant needs substantial amounts of fund input, this for small towns beyond doubt one huge
Spending.But it is as the drastically deterioration polluted, be suitable in small towns practicality in the urgent need to one kind in vast small towns and put into money
Gold is little, and facility simple to operate carries out the process of sanitary sewage.
In existing sewage disposal system, substrate is when using there is problems in that on the one hand, some host materials are to phosphorus
Clearance low, nitric efficiency is low, such as traditional soil, gravel, fine sand etc.；On the other hand, some substrate be stone, gravel,
Fine sand etc., laying area is big, considerably increases the workload of later maintenance.
Content of the invention
For defect present in prior art or deficiency, the present invention innovatively proposes a kind of Multifunction sewage
Processing system, enhances the denitrogenation dephosphorizing efficiency of artificial wet land sewage treating process, solves Traditional Man wetland treatment process
It is difficult to eliminate the problem of heavy metal pollution, reduce the workload of sewage disposal system later maintenance meanwhile.
The technical scheme is that and be achieved in that:
A kind of Multifunction sewage disposal system, has the drawer type seal box of multiple filter substrate including laid inside
Body, is provided with multiple drawer layers with placed cavity, is placed with respectively for purifying sewage in described drawer layer in described casing
Filter substrate, the plurality of drawer layer is placed with bulk cordierite, little gravel, fine sand, modified zeolite, nanometer from bottom to top respectively
Composite, soil layer；
It is provided with slide rail in described casing, the pulley being slidably matched with slide rail, described drawer layer are provided with drawer layer
Include panel, base plate and side plate, the panel of described each drawer layer is adjacently positioned, is provided with the panel of adjacent drawer layer
For extracting or advancing the gathering sill of drawer layer out, the medial wall of described gathering sill is the baffle plate being fixedly connected with back side of panel, institute
The height stating gathering sill lateral wall is less than baffle plate, described base plate is provided with several and is easy to the limbers that water body penetrates into layer by layer；
The bottom of described seal case is provided with for sewage injects the water inlet pipe in casing, one end of described water inlet pipe
It is fixedly connected with the soakaway trench being layed in seal case bottom；The top of described seal case be provided with for will sequentially pass through by
Bottom drawer layer permeation filtration to the sewage disposal of top layer drawer layer water body flow out seal case outlet pipe.
Preferably, the other end of described water inlet pipe is provided with the filtering net cylinder for filtering out granule foreign in sewage,
The one end open of described filtering net cylinder, the other end is fixed with drainage screen, and described filtering net cylinder is fixed with one end setting of drainage screen
There is the external screw thread matching with water inlet pipe female thread.
Preferably, described water inlet pipe is twist or the mode of snake bend is layed in casing bottom.
Preferably, the bottom of described seal case is provided with impervious barrier.
Preferably, the thickness of described bulk cordierite, little gravel, fine sand, modified zeolite, nano composite material is than for 300:
200∶100∶60∶1.
Preferably, described nano composite material is mufe-na.
Preferably, the filter substrate in described seal case, its particle diameter successively decreases from the bottom to top.
Preferably, described water outlet pipe part is provided with for the water body after filtration treatment is pumped water pump and the use to outlet pipe
In the valve adjusting water flow and anti-water-stop body adverse current.
Compared with prior art, the beneficial effects of the present invention is:
The invention discloses a kind of Multifunction sewage disposal system, by by the nano combined material of Novel iron system of synthesis
Material is applied in sewage treatment process, by the powerful absorbability of nano composite material, photocatalysis efficiency and high light degradation effect
Rate, enhances the denitrogenation dephosphorizing efficiency of sewage treatment process, solves traditional waste water treatment process and is difficult to eliminate heavy metal pollution
Problem, effectively raise the effect of sewage purification.
The Multifunction sewage disposal system of the present invention, using the seal case of drawer type, by every kind of filter substrate from
Upper and under be individually positioned in each drawer layer, filter substrate is layered and places, it is to avoid filter substrate is lumped together it is impossible to carry out
Separately maintain；Later stage carries out filter substrate when safeguarding, pulls out each drawer layer, carries out replacing of filter substrate etc., reduce
The workload of sewage disposal system later maintenance；It is provided with filtering net cylinder at the water inlet pipe of seal case bottom, sewage can be prevented
In large granular impurity flow in soakaway trench with sewage, blocking soakaway trench or aperture；Filtering net cylinder is fixed with one end of drainage screen
It is provided with the external screw thread matching with seepage mouth female thread, detachable filtering net cylinder, can in later maintenance according to demand
Changed, whole water inlet pipe need not be changed, cost-effective；Soakaway trench is twist or the mode of snake bend is layed in sealing
The bottom of casing, increased the laying amount of soakaway trench and the influx of sewage, meanwhile, can prevent soakaway trench from bending, and improves
The service life of soakaway trench.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of seal case of the present invention；
Fig. 3 is the structural representation of drawer layer of the present invention；
Fig. 4 is the side sectional view of entity casing of the present invention；
Fig. 5 is the laying schematic diagram of water inlet pipe of the present invention；
Fig. 6 is the structural representation of filtering net cylinder of the present invention；
Fig. 7 is the schematic diagram of the embodiment of the present invention 1；
Fig. 8 is the water inlet pipe of the embodiment of the present invention 2 and the side view of sleeve；
Fig. 9 is structural representation Fig. 1 of the water inlet pipe of the embodiment of the present invention 2；
Figure 10 is structural representation Fig. 2 of the water inlet pipe of the embodiment of the present invention 2；
Figure 11 is the side view of embodiment 3；
Figure 12 is the top view of deflector in embodiment 3；
Reference: 1, wetland plant；2nd, drawer layer；3rd, bulk cordierite；4th, little gravel；5th, fine sand；6th, modified zeolite；7、
Nano composite material；8th, soil layer；9th, slide rail；10th, pulley；11st, panel；12nd, base plate；13rd, side plate；14th, baffle plate；15th, outer webs；
16th, limbers；17th, water inlet pipe；18th, soakaway trench；19th, outlet pipe；20th, aperture；21st, sleeve；22nd, guiding gutter；23rd, impervious barrier；
24th, water pump；25th, valve；26th, filtering net cylinder；27th, drainage screen；28th, external screw thread；29th, deflector；30th, intake antrum；31st, filter
Chamber；32nd, pod apertures.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in Figure 1, the invention provides a kind of Multifunction sewage disposal system, include water inlet pipe 17, ooze
Water pipe 18, seal case, outlet pipe 19.Casing is the seal case of drawer type, is provided with and multiple has placement in seal case
The drawer layer 2 in chamber, the quantity of drawer layer 2 sets at least to six, each drawer layer 2 can place respectively different for purifying dirt
The filter substrate of water, multiple drawer layers 2 be placed with respectively from top to bottom bulk cordierite 3, little gravel 4, fine sand 5, modified zeolite 6,
Nano composite material 7, soil layer 8；The thickness ratio of each layer filter substrate is: bulk cordierite 3: little gravel 4: fine sand 5: modified zeolite 6:
Nano composite material 7 is 300: 200: 100: 60: 1, and soil layer 8 thickness does not limit；The particle diameter of each layer filter substrate is: bulk cordierite 3
＞ little gravel 4 ＞ fine sand, 5 ＞ modified zeolite 6 ＞ nano composite material 7；Nano composite material 7 is mufe-na, multiple by nanometer
The powerful absorbability of condensation material 7, photocatalysis efficiency and high the disposal efficiency, the denitrogenation dephosphorizing effect of enhanced sewage handling process
Rate；The bottom of seal case is provided with impervious barrier 23, and impervious barrier 23 is waterproof ventilated membrane, contains gas molecule in waterproof ventilated membrane
Can pass through and the impervious hole of liquid water molecules.
As shown in Figure 2-4, seal case be internally provided with slide rail 9, drawer layer 2 is provided with and matches with slide rail 9
The pulley 10 sliding, extracts out for drawer layer 2 or advances, using the seal case of drawer type, can by every kind of filter substrate separately
Place, it is to avoid every kind of filter substrate is lumped together, be conducive to the later maintenance of filter substrate in seal case, reduce later maintenance
Work difficulty；Drawer layer 2 includes panel 11, base plate 12 and side plate 13, and the panel 11 of each drawer layer 2 is adjacently positioned,
Gathering sill for extracting or advancing drawer layer 2 out is provided with the panel 11 of adjacent drawer layer 2, the medial wall of gathering sill is
The baffle plate 14 being fixedly connected with panel 11 back side, the height of the lateral wall 15 of gathering sill is less than baffle plate 14；The outer surface of panel 11
The handle for extracting or advancing drawer layer 2 out can be provided with, can replace with gathering sill and use；It is provided with several on base plate 12 to lead to
Water hole 16, is easy to water body and is passed through from bottom to top in the drawer layer 2 of every layer of filter substrate, so that sewage is penetrated into layer by layer, reach and have
The clean-up effect of effect.
As depicted in figures 5 and 6, the bottom of seal case is provided with for sewage injects the water inlet pipe 17 in casing, and
One end of water inlet pipe 17 is fixedly connected with the soakaway trench 18 being twist layed in wetland box bottom, the other end of water inlet pipe 17
It is provided with the filtering net cylinder 26 for filtering out granule foreign in sewage, the one end open of filtering net cylinder 26, the other end is fixed
There is drainage screen 27, the end that filtering net cylinder 26 is fixed with drainage screen 27 is provided with the outer spiral shell matching with water inlet pipe 17 female thread
Stricture of vagina 28, for leaching the large granular impurity in sewage, prevents large granular impurity from flowing into soakaway trench 18 with sewage, blocks soakaway trench
18, detachable filtering net cylinder 26, can be changed according to demand in later maintenance, whole water inlet pipe 17 need not be changed,
Cost-effective；Outlet pipe 19 is arranged at the top of seal case, for sequentially passing through bottom drawer layer permeation filtration to top layer
Water body after the sewage disposal of drawer layer is discharged seal case and is collected, and is provided with for by filtration treatment at outlet pipe 19
Water body afterwards is pumped to the water pump 24 of outlet pipe 19 with for adjusting water flow and the valve 25 of anti-water-stop body adverse current.
Embodiment 1:
As shown in Figure 7, the bottom of seal case is provided with for sewage injects the water inlet pipe 17 in casing, and intakes
One end of pipe 17 is fixedly connected with soakaway trench 18, and the mode of the serpentine-like bend pipe of soakaway trench 18 is layed in the bottom of seal case, increases
Add soakaway trench 18 in the laying amount of seal case bottom and the influx of sewage.
Embodiment 2:
As shown in accompanying drawing 8-9, soakaway trench 18 is drilled with aperture 20 at interval of 40cm-50cm, the aperture 20 on soakaway trench 18
Place is provided with sleeve 21, the setting of aperture 20 can effective control sewage influx, the setting of sleeve 21, can prevent with sewage
Flow into the silt in soakaway trench 18, deposit through long, block soakaway trench 18 and aperture 20, affect the influx of sewage,
The guiding gutter 22 being shifted to install with aperture is had on sleeve 21, the setting of guiding gutter 22 can increase in the controlled range of sewage influx
Plus the influx of sewage.
Embodiment 3:
As shown in FIG. 11 and 12, seal case middle and lower part setting deflector 29, deflector 29 is by seal case from bottom to top
It is divided into intake antrum 30 and filter chamber 31, the bottom of wetland bottom is provided with the water inlet pipe for sewage injects intake antrum；Cross
It is equipped with multiple filter substrate, the multiple filtration substrate filtering intracavity is equipped with bulk cordierite, little from bottom to top successively in filter chamber
Gravel, fine sand, modified zeolite, nano composite material and soil layer；The top of seal case is provided with for passing through from bottom to top
Water body after the sewage disposal of multiple filter substrate discharges seal case collected outlet pipe 19；On described deflector 29
It is provided with the pod apertures 32 of connection intake antrum 30 and filter chamber 31.
The foregoing is only the preferred embodiment of invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of Multifunction sewage disposal system has the drawer of multiple filter substrate it is characterised in that including laid inside
Formula seal case, is provided with multiple drawer layers with placed cavity in described casing, be placed with respectively in described drawer layer for
Purify the filter substrate of sewage, the plurality of drawer layer is placed with bulk cordierite, little gravel, fine sand, modification from bottom to top respectively
Zeolite, nano composite material, soil layer；
It is provided with slide rail in described casing, the pulley being slidably matched with slide rail is provided with drawer layer, described drawer layer includes
Have panel, base plate and side plate, the panel of described each drawer layer is adjacently positioned, the panel of adjacent drawer layer is provided with for
Extract out or propulsion drawer layer gathering sill, the medial wall of described gathering sill is the baffle plate being fixedly connected with back side of panel, described leads
It is less than baffle plate to the height of groove lateral wall, described base plate is provided with several and is easy to the limbers that water body penetrates into layer by layer；
The bottom of described seal case is provided with for sewage injects the water inlet pipe in casing, and one end of described water inlet pipe is fixed
It is connected with the soakaway trench being layed in seal case bottom；The top of described seal case is provided with for sequentially passing through by bottom
Drawer layer permeation filtration to the sewage disposal of top layer drawer layer water body flow out seal case outlet pipe.
2. Multifunction sewage disposal system according to claim 1 it is characterised in that: the other end of described water inlet pipe
It is provided with the filtering net cylinder for filtering out granule foreign in sewage, the one end open of described filtering net cylinder, the other end is fixed
There is drainage screen, one end that described filtering net cylinder is fixed with drainage screen is provided with the external screw thread matching with water inlet pipe female thread.
3. Multifunction sewage disposal system according to claim 1 it is characterised in that: described water inlet pipe is twist
Or the mode of snake bend is layed in casing bottom.
4. Multifunction sewage disposal system according to claim 1 it is characterised in that: the bottom of described seal case
It is provided with impervious barrier.
5. Multifunction sewage disposal system according to claim 1 it is characterised in that: described bulk cordierite, pebble
Stone, fine sand, modified zeolite, the thickness of nano composite material are than for 300: 200: 100: 60: 1.
6. Multifunction sewage disposal system according to claim 1 it is characterised in that: described nano composite material is
mufe-na.
7. Multifunction sewage disposal system according to claim 1 it is characterised in that: the mistake in described seal case
Filter substrate, its particle diameter successively decreases from the bottom to top.
8. Multifunction sewage disposal system according to claim 1 it is characterised in that: described water outlet pipe part is provided with
For the water body after filtration treatment being pumped to the water pump of outlet pipe and being used for the valve adjusting water flow and anti-water-stop body adverse current
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922512.2A CN106348538B (en) | 2016-10-26 | 2016-10-26 | Multifunctional sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922512.2A CN106348538B (en) | 2016-10-26 | 2016-10-26 | Multifunctional sewage treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106348538A true CN106348538A (en) | 2017-01-25 |
| CN106348538B CN106348538B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610922512.2A Active CN106348538B (en) | 2016-10-26 | 2016-10-26 | Multifunctional sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484197A (en) * | 2020-04-22 | 2020-08-04 | 长沙理工大学 | River course sewage discharge outlet sewage strengthening treatment system |
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| CN103896418A (en) * | 2014-04-09 | 2014-07-02 | 西南大学 | Draw box type wastewater purification system and use method thereof |
| CN204180650U (en) * | 2014-10-21 | 2015-03-04 | 河北雨燕灌溉设备有限公司 | The anti-blocking drip irrigation pipe in a kind of micropore labyrinth |
| CN204707636U (en) * | 2015-05-25 | 2015-10-21 | 北京东方润泽生态科技股份有限公司 | A kind of anti-clogging drip irrigation band |
| CN205151906U (en) * | 2015-10-14 | 2016-04-13 | 王太春 | Constructed wetland sewage treatment system and box |
-
2016
- 2016-10-26 CN CN201610922512.2A patent/CN106348538B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255574A (en) * | 1998-11-26 | 2000-06-07 | 何荣森 | Antiblocking method for water tube in permeable irrigation engineering |
| CN103896418A (en) * | 2014-04-09 | 2014-07-02 | 西南大学 | Draw box type wastewater purification system and use method thereof |
| CN204180650U (en) * | 2014-10-21 | 2015-03-04 | 河北雨燕灌溉设备有限公司 | The anti-blocking drip irrigation pipe in a kind of micropore labyrinth |
| CN204707636U (en) * | 2015-05-25 | 2015-10-21 | 北京东方润泽生态科技股份有限公司 | A kind of anti-clogging drip irrigation band |
| CN205151906U (en) * | 2015-10-14 | 2016-04-13 | 王太春 | Constructed wetland sewage treatment system and box |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484197A (en) * | 2020-04-22 | 2020-08-04 | 长沙理工大学 | River course sewage discharge outlet sewage strengthening treatment system |
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| CN106348538B (en) | 2020-02-21 |
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