CN108298692A - Adjustable type artificial wet land system - Google Patents
Adjustable type artificial wet land system Download PDFInfo
- Publication number
- CN108298692A CN108298692A CN201810337433.4A CN201810337433A CN108298692A CN 108298692 A CN108298692 A CN 108298692A CN 201810337433 A CN201810337433 A CN 201810337433A CN 108298692 A CN108298692 A CN 108298692A
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- Prior art keywords
- artificial
- wetland
- filtering
- artificial swamp
- layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 239000000706 filtrate Substances 0.000 claims abstract description 6
- 241000196324 Embryophyta Species 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000006213 oxygenation reaction Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 235000005273 Canna coccinea Nutrition 0.000 claims description 3
- 240000008555 Canna flaccida Species 0.000 claims description 3
- 244000099162 Cyperus alternifolius Species 0.000 claims description 3
- 241001423497 Himalayacalamus falconeri Species 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 240000001398 Typha domingensis Species 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 239000010865 sewage Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- 230000008521 reorganization Effects 0.000 description 3
- 241000233948 Typha Species 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention relates to a kind of adjustable type artificial wet land systems, including more than two artificial swamp units, and a plurality of annular filter distributing channel, each artificial wetland unit surrounding is surrounded with filtering distributing channel, and " returning " word structure is formed therewith, filter the filtrate that different-grain diameter is equipped in distributing channel, sewage is assigned to artificial swamp unit after filtering distributing channel filtering, positioned at the diagonal distributing channel position of artificial swamp unit, one movable baffle is respectively set, artificial swamp " series connection " can be formed by the position of controllable register, the method of operation of " parallel connection " or " connection in series-parallel is compound ", and a variety of adjustable functions such as continous way or intermittent loading mode.The present invention can carry out the adjusting of the wetland method of operation according to the hydraulic loading of water inlet, pollutional load, bed body situation and climate change, it can prevent larger impurity from resulting in blockage to artificial swamp pond, the treatment effect of the impact resistance of wetland, self-repairing capability and wetland is effectively raised simultaneously.
Description
Technical field
The invention belongs to technical field of sewage, concretely relate to a kind of adjustable type artificial wet land system.
Background technology
Artificial swamp is the ecosystem of a semi-artificial simulation, and natural wetland is simulated by artificial design and construction
System can be divided into three types, i.e. surface current artificial wetland (SFCW), horizontal drowned flow artificial wet land (HSFCW) and vertical subsurface flow
Artificial swamp (VSFCW), it is similar with marsh or natural wetland, it generally all plants planting submerged plant, floating plant and very water is planted
Object, it is using the synergistic effect between wetland mesostroma, plant, microorganism, by a series of physical, chemical and raw
The approach of object removes the function of pollutant to realize.Because artificial swamp with it inexpensive, high-effect, manageability and also have U.S.
The advantages that and ecological value, is widely used in terms of processing sanitary sewage and industrial or agricultural sewage.
But in engineer application, people gradually have found that it is the running common problem of wetland to block, greatly
Ground constrains the application and popularization of wetland.Wetland clogging is actually the process of effective drainage porosity and the continuous reduction of infiltration coefficient.
It blocks substance largely to accumulate on wetland surface layer and upper layer, not only wetland hydraulic detention time is had significant effect, can also be led
It causes wetland the problems such as surface stream, short stream occur, to influence treatment effect of the wetland for sewage, effluent quality is caused to deteriorate.
The many because being known as of artificial swamp blocking are influenced, are mainly had：Intake feature, matrix, intermittent duty, upstream processing procedure, into
The case where water distribution and temperature and dissolved oxygen etc..
And the method for operation of artificial swamp mainly has series, parallel or series-parallel combined-type, water intake mode mainly to have continuously
Water inlet and intermittent water inflow.The wetland of actual motion is to use a certain single method of operation and water intake mode at present, can not
The tune of the wetland method of operation is carried out according to the hydraulic loading of water inlet, pollutional load, water quality condition, bed body situation and climate change
Section, there are system self-recovery poor performances, and efficiency is low, the problems such as influencing nitric efficiency and easily block.
Invention content
The present invention provides a kind of adjustable type artificial wet land systems, can solve existing wetland skill with a variety of methods of operation
The problem that art is intake and the method for operation is single, improved with anti-clogging, load and adaptability enhancing, self-repairing capability,
The features such as treatment effect is preferable.
A kind of adjustable type artificial wet land system the system comprises more than two artificial swamp units and is centered around every
The filtering distributing channel of one artificial wetland unit surrounding is provided with filter layer in the filtering distributing channel, is located at artificial swamp
A movable baffle is respectively arranged in diagonal distributing channel position.
Preferably, single artificial wetland unit forms " returning " word structure, adjacent two Manual moists with filtering distributing channel
Ground unit is in " day " word structural arrangement.
Preferably, the filtering distributing channel includes filtered water inlet canal, filtering outlet canal and branch canal, the filtered water inlet canal
Positioned at the top of artificial swamp unit, filtering outlet canal is located at the lower section of artificial swamp unit, and branch canal is located at artificial swamp unit
Both sides.
Preferably, the movable baffle is used is rotated by 90 ° fixed rotated versions or using plug along pool wall external corner
Form is arranged.
Preferably, each artificial wetland unit water inlet is all connected with the water outlet of filtering distributing channel.
Preferably, the lower end that the filtered water inlet canal connect pool wall with artificial swamp unit is provided with water inlet, it is described
Water inlet is made of multiple holes；The water outlet of each artificial wetland unit is catchmented using perforated catchment pipe, then passes through outlet pipe
It is connected to filtering outlet canal and check-valves is set on outlet pipe.
Preferably, the perforated catchment pipe and outlet pipe composition outlet pipeline away from artificial swamp unit cells top 20cm~
25cm。
Preferably, the filtering distributing channel and artificial swamp unit pond body are built using steel and concrete structure, artificial swamp list
Impervious barrier is arranged in first pond body internal side wall and bottom surface；Distributing channel bottom is filtered according to 0.1% gradient to be arranged.
Preferably, the filter layer is made of the filtrate of different pore size, filtrate is gravel, gravel layer grain size from lower to upper
Becoming smaller successively, respectively high 30~40cm, the gravel layer that grain size is 3.5~5.0cm and high 30~35cm grain sizes be 2.0~
The gravel layer of 3.0cm.
Preferably, being provided with the oxygenation of wetland plant, hypothallus and Duo Gen dispersed placements in artificial swamp special use bed body
Snorkel, oxygenation snorkel vertically run through hypothallus, and oxygenation snorkel higher slice is equipped with multiple ventholes；The wetland plant
It is one or more in reed, cattail, fairy bamboo, cyperus alternifolius, canna；The hypothallus is followed successively by gravel from the bottom to top
Layer, zeolite layer, haydite layer, slag layer, planting soil layer are all provided between planting soil layer and slag layer, between slag layer and haydite layer
It is equipped with steel wire, steel wire mesh aperture is less than 2mm.
Cascade both may be used in the artificial wet land system method of operation of the present invention, can also be adjusted to parallel form or string
Complex form in parallel, water intake mode can be continuum micromeehanics or intermittent water inflow, and intermittent water inflow is to ensure whole system continuous operation
And wetland is adjusted to intermittent water inflow state, and it that is to say and whole system is divided into two lines road, while a water inlet, another
Idle to rest and reorganize, two process circuits carry out cycle operation, to ensure that whole system can be effectively to carry while continuum micromeehanics
The self-repairing capability of high system slows down and wetland is avoided to block, on the other hand, it can be ensured that when a certain wetland is safeguarded not
The operation for influencing whole system, improves the stability of system.
Description of the drawings
Fig. 1 is the overlooking structure diagram of the present invention；
Fig. 2 is the left view sectional view of Fig. 1；
Fig. 3 is water inlet schematic diagram；
Fig. 4 is 2 series operations of embodiment-continuum micromeehanics schematic diagram；
Fig. 5 is 3 single parallel running of embodiment-continuum micromeehanics schematic diagram；
Fig. 6 is 4 Parallel-serial-conncombined-type combined-type operation of embodiment-continuum micromeehanics schematic diagram；
One conspectus when Fig. 7 is 5 series-parallel combined-type operation of embodiment-intermittent water inflow；
Another conspectus when Fig. 8 is 5 series-parallel combined-type operation of embodiment-intermittent water inflow.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, but invention which is intended to be protected is simultaneously
It is without being limited thereto.
Embodiment 1
Referring to Fig.1~3, a kind of adjustable type artificial wet land system, sewage enter adjustable type artificial swamp system by water inlet pipe 1
System, the system comprises the first artificial wetland unit 2, the second artificial swamp unit 3, the artificial wetland units 4 of third, and surround
In the filtering distributing channel of artificial swamp unit surrounding, the filtering distributing channel includes filtered water inlet canal 5, filtering outlet canal 6 and branch
Canal, the filtered water inlet canal 5 are located at the top of artificial swamp unit, and filtering outlet canal 6 is located at the lower section of artificial swamp unit, branch
Canal is located at the both sides of artificial swamp unit, and the branch canal includes the first branch canal 7, the second branch canal 8, third branch canal 9, each is artificial
Wetland unit water inlet is all connected with the water outlet of filtering distributing channel.Single artificial wetland unit forms " returning " word knot with filtering distributing channel
Structure, adjacent two artificial wetland units are in " day " word structural arrangement.
One movable baffle is respectively set positioned at the diagonal distributing channel position of artificial swamp, including the first movable baffle 10 (can
Activity is in two positions A and a), the second flapper 11 (movable in two positions B and b), third flapper 12 (can live
Move in two positions C and c), the 4th flapper 13 (movable in two positions D and d), the 5th flapper 14 it is (movable
In two positions E and e), the movable baffle is used is rotated by 90 ° fixed rotated versions or using plug along pool wall external corner
Form.By the position of controllable register can be formed artificial swamp " series connection " or " parallel connection " the method for operation and continous way or
A variety of adjustable functions such as formula of having a rest water intake mode.
Filter layer is provided in the filtering distributing channel, the filter layer is made of the filtrate of different pore size, and filtrate is
Gravel, grain size becomes smaller gravel layer successively from lower to upper, respectively high 30~40cm, the gravel layer that grain size is 3.5~5.0cm, with
And the gravel layer that high 30~35cm grain sizes are 2.0~3.0cm.Sewage is assigned to artificial swamp after filtering distributing channel filtering
Unit.
The lower end that the filtered water inlet canal connect pool wall with artificial swamp unit is provided with water inlet 15, the water inlet by
Multiple hole compositions；The water outlet of each artificial wetland unit is catchmented using perforated catchment pipe 26, then passes through outlet pipe 16 and mistake
It filters out the connection of water channel 6 and check-valves 17 is set on outlet pipe；The perforated catchment pipe and outlet pipe composition outlet pipeline away from
Artificial swamp unit cells top 20cm~25cm.
The filtering distributing channel and artificial swamp unit pond body are built using steel and concrete structure, inside artificial swamp unit cells body
Impervious barrier is arranged in side wall and bottom surface；Distributing channel bottom is filtered according to 0.1% gradient to be arranged.
The oxygenation snorkel of wetland plant 18, hypothallus and Duo Gen dispersed placements is provided in artificial swamp special use bed body
19, oxygenation snorkel vertically runs through hypothallus, and oxygenation snorkel higher slice is equipped with multiple ventholes；The wetland plant is reed
It is one or more in reed, cattail, fairy bamboo, cyperus alternifolius, canna；The hypothallus be followed successively by from the bottom to top gravel layer 20,
Zeolite layer 21, haydite layer 22, slag layer 23, planting soil layer 24, between planting soil layer and slag layer, between slag layer and haydite layer
It is both provided with steel wire 25, steel wire mesh aperture is less than 2mm.
Water inlet pipe of the present invention, perforated catchment pipe, outlet pipe, venthole are all made of pvc pipe.
Embodiment 2
With reference to Fig. 4, the first movable baffle 10 is moved to the positions a, the second flapper 11 is moved to B location, third
Flapper 12 is moved to location of C, and the 4th flapper 13 is moved to the positions D, and the 5th flapper 14 is moved to the positions E, can
Form the method for operation of the continuum micromeehanics of artificial swamp " series connection ".
Embodiment 3
With reference to Fig. 5, the first movable baffle 10 is moved to the positions a, the second flapper 11 is moved to the positions b, third
Flapper 12 is moved to the positions c, and the 4th flapper 13 is moved to the positions d, and the 5th flapper 14 is moved to the positions e, can
Form the method for operation of the continuum micromeehanics of artificial swamp single " parallel connection ".
Embodiment 4
With reference to Fig. 6, the first movable baffle 10 is moved to the positions a, the second flapper 11 is moved to the positions b, third
Flapper 12 is moved to the positions c, and the 4th flapper 13 is moved to the positions D, and the 5th flapper 14 is moved to the positions E, can
Form the continuum micromeehanics method of operation of artificial swamp " and series connection ".
Embodiment 5
With reference to Fig. 7, when intermittent duty, first circuit is first run：The first, the artificial wetland unit of third is into water running, and
Two wetland units enter the rest and reorganization stage of leaving unused.By the first flapper 10, the second flapper 11, third flapper 12,
Four flappers 13, the 5th flapper 14 are moved respectively to the position a, B, c, D, E, close the water outlet of the second artificial swamp unit
Tube valve, water inlet pipe water outlet enter filtering by perforated catchment pipe after entering from the first artificial wetland unit inlet opening and are discharged
Canal enters after third section inlet channel then along third branch canal and enters from the artificial wetland unit inlet opening of third, and so on.Fortune
After row a period of time, system is switched in Article 2 circuit, with reference to Fig. 8, be the artificial wetland unit of first, third start into
Enter the idle rest and reorganization stage, the second wetland unit is into water running.By the first flapper 10, the second flapper 11, third activity
Baffle 12, the 4th flapper 13, the 5th flapper 14 are moved respectively to the position A, B, C, D, e, and it is artificial to close first, third
The water outlet tube valve of wetland unit, water inlet pipe, which is filtered by water distribution after canal enters from the second artificial swamp unit inlet opening, to be passed through
Perforated catchment pipe enters filtering outlet canal, then is spaced into next wetland unit.The alternating for completing two lines road is one
The cycle of operation.Wetland leaves unused the rest and reorganization stage, and the matrix pores caused by organic matter and sedimentation of suspension can be prevented excessive
It blocks, the permeance property of effective recovery system, on the other hand can carry out reoxygenation to system, improve the self-regeneration energy of bed body
Power.
In the description of the present invention, it is to be understood that, term "upper" "lower" " left side " " right side " " preceding " afterwards " etc. instructions orientation
Or position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not to indicate or imply must have a particular orientation for meaning, therefore be not considered as limiting the invention.
Claims (10)
1. a kind of adjustable type artificial wet land system, it is characterised in that：The system comprises more than two artificial swamp units and
It is centered around the filtering distributing channel of each artificial wetland unit surrounding, filter layer is provided in the filtering distributing channel, is located at
A movable baffle is respectively arranged in the diagonal distributing channel position of artificial swamp.
2. adjustable type artificial wet land system according to claim 1, it is characterised in that：Single artificial wetland unit is matched with filtering
Water channel forms " returning " word structure, and adjacent two artificial wetland units are in " day " word structural arrangement.
3. adjustable type artificial wet land system according to claim 1, it is characterised in that：The filtering distributing channel include filter into
Water channel, filtering outlet canal and branch canal, the filtered water inlet canal are located at the top of artificial swamp unit, and filtering outlet canal is located at artificial
The lower section of wetland unit, branch canal are located at the both sides of artificial swamp unit.
4. adjustable type artificial wet land system according to claim 1, it is characterised in that：The movable baffle is used along pool wall
External corner is rotated by 90 ° fixed rotated versions or is arranged using plug form.
5. adjustable type artificial wet land system according to claim 1, it is characterised in that：Each artificial wetland unit water inlet is equal
The water outlet of connection filtering distributing channel.
6. adjustable type artificial wet land system according to claim 3, it is characterised in that：The filtered water inlet canal and artificial swamp
The lower end of unit connection pool wall is provided with water inlet, and the water inlet is made of multiple holes；Each artificial wetland unit goes out
Water is catchmented using perforated catchment pipe, is then connected to filtering outlet canal by outlet pipe and check-valves is arranged on outlet pipe.
7. adjustable type artificial wet land system according to claim 6, it is characterised in that：The perforated catchment pipe and outlet pipe group
At outlet pipeline away from artificial swamp unit cells top 20cm~25cm.
8. adjustable type artificial wet land system according to claim 1, it is characterised in that：The filtering distributing channel and artificial swamp
Unit pond body is built using steel and concrete structure, and impervious barrier is arranged in artificial swamp unit cells body internal side wall and bottom surface；Filter distributing channel
Bottom is arranged according to 0.1% gradient.
9. adjustable type artificial wet land system according to claim 1, it is characterised in that：The filter layer by different-grain diameter filter
Material composition, filtrate is gravel, and grain size becomes smaller gravel layer successively from lower to upper, respectively high 30~40cm, grain size be 3.5~
The gravel layer of 5.0cm and the gravel layer that high 30~35cm grain sizes are 2.0~3.0cm.
10. adjustable type artificial wet land system according to claim 1, it is characterised in that：Setting in artificial swamp special use bed body
There are the oxygenation snorkel of wetland plant, hypothallus and Duo Gen dispersed placements, oxygenation snorkel vertically to run through hypothallus, oxygenation ventilation
Pipe higher slice is equipped with multiple ventholes；The wetland plant is one kind in reed, cattail, fairy bamboo, cyperus alternifolius, canna
Or it is a variety of；The hypothallus is followed successively by gravel layer, zeolite layer, haydite layer, slag layer, planting soil layer, planting soil layer from the bottom to top
Between slag layer, steel wire is both provided between slag layer and haydite layer, steel wire mesh aperture is less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337433.4A CN108298692B (en) | 2018-04-16 | 2018-04-16 | Adjustable constructed wetland system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337433.4A CN108298692B (en) | 2018-04-16 | 2018-04-16 | Adjustable constructed wetland system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108298692A true CN108298692A (en) | 2018-07-20 |
| CN108298692B CN108298692B (en) | 2024-03-26 |
Family
ID=62847503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810337433.4A Active CN108298692B (en) | 2018-04-16 | 2018-04-16 | Adjustable constructed wetland system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108298692B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292988A (en) * | 2018-10-23 | 2019-02-01 | 山东省环科院环境工程有限公司 | A kind of drowned flow artificial wet land and its operation method that anti-clogging emptying is constructed |
| CN110563146A (en) * | 2019-09-17 | 2019-12-13 | 中冶华天工程技术有限公司 | annular horizontal subsurface flow constructed wetland with adjustable operation mode |
| CN113003728A (en) * | 2021-02-07 | 2021-06-22 | 中国恩菲工程技术有限公司 | Combined controllable efficient purification constructed wetland system |
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| CN208279380U (en) * | 2018-04-16 | 2018-12-25 | 九江赛恩斯环保科技发展有限公司 | A kind of adjustable type artificial wet land system |
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2018
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| CN201037128Y (en) * | 2007-04-29 | 2008-03-19 | 北京国环清华环境工程设计研究院 | Adjustable undercurrent artificial wet land sewage treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292988A (en) * | 2018-10-23 | 2019-02-01 | 山东省环科院环境工程有限公司 | A kind of drowned flow artificial wet land and its operation method that anti-clogging emptying is constructed |
| CN109292988B (en) * | 2018-10-23 | 2024-01-02 | 山东省环科院环境工程有限公司 | Anti-blocking emptying constructed subsurface constructed wetland and operation method thereof |
| CN110563146A (en) * | 2019-09-17 | 2019-12-13 | 中冶华天工程技术有限公司 | annular horizontal subsurface flow constructed wetland with adjustable operation mode |
| CN110563146B (en) * | 2019-09-17 | 2021-12-24 | 中冶华天工程技术有限公司 | Annular horizontal subsurface flow constructed wetland with adjustable operation mode |
| CN113003728A (en) * | 2021-02-07 | 2021-06-22 | 中国恩菲工程技术有限公司 | Combined controllable efficient purification constructed wetland system |
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| Publication number | Publication date |
|---|---|
| CN108298692B (en) | 2024-03-26 |
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