CN208617490U - A kind of switchable type drowned flow artificial wet land - Google Patents
A kind of switchable type drowned flow artificial wet land Download PDFInfo
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- CN208617490U CN208617490U CN201821230199.7U CN201821230199U CN208617490U CN 208617490 U CN208617490 U CN 208617490U CN 201821230199 U CN201821230199 U CN 201821230199U CN 208617490 U CN208617490 U CN 208617490U
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Abstract
The utility model relates to a kind of switchable type drowned flow artificial wet lands, it is responsible for including artificial swamp construct, wet land filler layer, the distribution well that opposite sides is arranged in and sump, the water inlet being connected with the distribution well, the water inlet supervisor is divided into vertical subsurface flow water distributor and horizontal drowned flow water distributor two-way in the distribution well, and the first valve mechanism of switching water flow is equipped between the water inlet supervisor and vertical subsurface flow water distributor and horizontal drowned flow water distributor.The switchable type drowned flow artificial wet land of the utility model enables most of the time of the artificial swamp of extremely frigid zones in 1 year to carry out purification of water quality using the highest vertical subsurface flow wetland for the treatment of effeciency；Jelly is deep larger in winter, also can not be out of service even if freeze deeply more than vertical subsurface flow water distributor depth, and is to switch to horizontal drowned flow artificial wet land tupe and continues holding sewage treatment capacity.
Description
Technical field
The utility model relates to a kind of artificial swamps can cut more particularly to a kind of switchable type drowned flow artificial wet land
Change the artificial swamp form of vertical subsurface flow tupe and horizontal drowned flow tupe into.
Background technique
With carrying out in a deep going way for China's ecological environment treatment, for artificial swamp because it is with simple process, investment cost is low, builds
If the advantages that operation cost is low, and wastewater treatment efficiency is reliable and stable, ecological natural, it is various types of to be widely used in processing
Sewage, such as city domestic sewage, industrial wastewater, rural sewage, deep purification of tail water of sewage plant.According to system water distribution manner
Difference, artificial swamp are generally divided into free flow surface constructed wetland and subsurface constructed wetland, and subsurface constructed wetland mainly has
Horizontal drowned flow artificial wet land and vertical subsurface flow wetland.Drowned flow artificial wet land is small with no surface water, occupied area, utilization rate
Height, it is easy to maintain, with the characteristics of high treating effect, become the artificial swamp type relatively mostly used.
In horizontal drowned flow artificial wet land, sewage flows through packed bed from one end level, compared with free flow surface constructed wetland,
The hydraulic loading of horizontal drowned flow artificial wet land is high, good to the removal effect of the pollutants such as BOD, COD, SS, but its denitrogenation dephosphorizing is imitated
Fruit is not as good as vertical subsurface flow wetland.In vertical subsurface flow wetland, sewage flows through packed bed from wetland surface is vertical, at bed body
In undersaturated condition, oxygen can be transferred into artificial swamp by Atmospheric Diffusion and plant, and nitrification ability is higher than horizontal drowned flow people
Work wetland, treatment effeciency are higher.
But in the vast north in China and extremely frigid zones, winter temperature is lower, and vertical subsurface flow wetland is because of its water distribution system
Using pipeline water distribution, and be set to filler upper layer, vulnerable to freeze and frost heave influences and can not water distribution or water distribution it is uneven, partial period is
Protective conduit system can only be out of service；And pipeline, overflow port, pigeon-holed wall can be used in the water distribution system of horizontal drowned flow artificial wet land
Equal various ways water distribution such as uses pipeline water distribution, can also arbitrarily adjust pipeline buried depth, effectively avoid can not water distribution and
The generation of frost heave, winter also sustainable operation.
Utility model content
The purpose of this utility model is aiming at the problem that drowned flow artificial wet land treatment effeciency and freezed in winter frost heave, this is practical
It is novel to propose a kind of switchable type drowned flow artificial wet land, to improve treatment effeciency and solve asking for freezed in winter pipeline frost heave
Topic, so that two kinds of drowned flow artificial wet lands have evaded respective deficiency, is effectively combined and plays respective strong point, realize the north
Continue efficient operation with extremely frigid zones drowned flow artificial wet land whole year.
To achieve the above object, the utility model provides a kind of switchable type drowned flow artificial wet land, including artificial swamp
Construct is filled in the artificial swamp and constructs intracorporal wet land filler layer, setting in the artificial swamp construct opposite two
The distribution well and sump of side, the water inlet being connected with distribution well supervisor, the water inlet supervisor are divided into the distribution well
Vertical subsurface flow water distributor and horizontal drowned flow water distributor two-way, the water inlet supervisor and vertical subsurface flow water distributor and horizontal drowned flow water distribution
The first valve mechanism of switching water flow, the vertical subsurface flow water distributor and the lateral water of horizontal drowned flow water distributor difference are equipped between pipe
It is flat to be extended on that artificial swamp constructs intracorporal upper layer, vertical equity is extended on artificial swamp and constructs intracorporal influent side
Upper layer, is divided into vertical subsurface flow collector pipe and horizontal drowned flow collector pipe two-way in the sump, the vertical subsurface flow collector pipe with
Horizontal drowned flow collector pipe is transversely and horizontally extended on that artificial swamp constructs intracorporal lower layer, vertical equity is extended on respectively
Artificial swamp constructs intracorporal water outlet side lower layer, hangs down respectively on the vertical subsurface flow collector pipe and the latter end of horizontal drowned flow collector pipe
Vertical subsurface flow outlet pipe and horizontal drowned flow outlet pipe are directly set up.
When water inlet is responsible for by switching first valve mechanism to be connected to vertical subsurface flow water distributor, artificial swamp is with vertical
Drowned flow artificial wet land tupe carries out processing operation；Water inlet is responsible for and horizontal drowned flow cloth when switching first valve mechanism
When water pipe is connected to, artificial swamp carries out processing operation with horizontal drowned flow artificial wet land tupe.
Preferably, the horizontal drowned flow water distributor depth is identical as water-feeding deep.
Preferably, the vertical subsurface flow outlet pipe and vertical subsurface flow collector pipe junction two sides and horizontal drowned flow collector pipe
The second valve is equipped with horizontal drowned flow outlet pipe junction two sides.
Preferably, the horizontal drowned flow outlet pipe nozzle setting height is lower than vertical subsurface flow outlet pipe nozzle height, and institute
The height of vertical subsurface flow outlet pipe is stated lower than the height of wet land filler layer and the height of vertical subsurface flow water distributor, the horizontal drowned flow
The height of outlet pipe is frozen deep lower than artificial swamp maximum.
Preferably, the vertical subsurface flow water distributor is arranged in horizontal drowned flow water distributor top, the vertical subsurface flow water distributor
Height be lower than the depth of wet land filler layer, the depth of the horizontal drowned flow water distributor is identical as artificial swamp maximum jelly depth.
Preferably, the artificial swamp construct Aspect Ratio is 3:1, and length is 20~50m, and the artificial swamp is constructed
For the bottom surface gradient and hydraulic gradient of body between 0.5~1%, the area of the artificial swamp construct is less than 800m2, the people
Area, that is, artificial swamp unit pool area of work wetland construct.
Preferably, the wet land filler layer is divided into inhalant region, body region and exhalant region in transversely and horizontally direction, it is described into
The length in pool is 1.0~1.5m, and the length of the exhalant region is 0.8~1.0m, the packing material size of the inhalant region is 20~
50mm, the packing material size of the exhalant region are 15~40mm.
Preferably, the body region of the wet land filler layer vertical direction from top to bottom successively based on packing layer, transition
Layer and drainage blanket, the packing material size of the main body packing layer are 10~25mm, the packing material size of the transition zone is 20~
30mm, the packing material size of the drainage blanket are 30~40mm.
Preferably, first valve mechanism includes the valve and horizontal drowned flow being separately positioned on vertical subsurface flow water distributor
Valve on water distributor.
Based on the above-mentioned technical proposal, the utility model has the advantages that:
The switchable type drowned flow artificial wet land of the utility model, so that big portion of the artificial swamp of extremely frigid zones in 1 year
Purification of water quality can be carried out using the highest vertical subsurface flow wetland for the treatment of effeciency between timesharing；Freeze deeply larger (freeze deep in winter
More than vertical subsurface flow water distributor depth) Shi Yeneng is out of service, and be to switch to horizontal drowned flow artificial wet land tupe after
Sewage treatment capacity is held in continuation of insurance.The utility model solves the problems, such as vertical subsurface flow wetland winter pipeline frost heave.
In addition, two kinds of switch modes of the utility model are used interchangeably, ensure that drowned flow artificial wet land persistently handles fortune
Capable ability can switch to another mode, while examining to damage component in the parts damages of wherein one mode
It repairs, without out of service being overhauled by whole.The utility model greatly improves extremely frigid zones drowned flow artificial
Treatment effeciency, operation stability and the range of popularization and use of wetland.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is switchable type drowned flow artificial wet land schematic top plan view；
Fig. 2 is switchable type drowned flow artificial wet land diagrammatic cross-section；
Fig. 3 is wet land filler layer arrangement schematic diagram.
Specific embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of switchable type drowned flow artificial wet land, as shown in FIG. 1 to 3, this is shown
A kind of preferred embodiment of utility model.The switchable type drowned flow artificial wet land is by adding and optimizing drowned flow artificial wet land
The mode of water distribution system and collecting system, formation can be used in conjunction with drowned flow artificial wet land construct, and be provided with independently
Two sets of water distributions and collecting system realize vertical subsurface flow wetland tupe and horizontal drowned flow artificial wet land tupe
Switching.
Usually sewage is handled using treatment effeciency higher vertical subsurface flow wetland mode, to winter freeze as deep as
To vertical subsurface flow buried depth of pipeline when, controlled by valve, be switched to horizontal drowned flow artificial wet land tupe, realize that winter holds
The processing of reforwarding row.The switchable type drowned flow artificial wet land of the utility model realizes simple, easy to operate and management, throws in engineer application
Money increase is small, improves the treatment effeciency of the north and extremely frigid zones drowned flow artificial wet land, better results.
It should be noted that laterally refer to the water (flow) direction of horizontal drowned flow in artificial swamp in the utility model,
Specifically, the switchable type drowned flow artificial wet land includes artificial swamp construct 4, is filled in the artificial swamp
Wet land filler layer 8 in construct 4, the distribution well 5 that 4 opposite sides of artificial swamp construct is set and sump 12,
The water inlet supervisor 1 being connected with the distribution well 5, the water inlet supervisor 1 are divided into vertical subsurface flow water distributor 7 in the distribution well 5
With 6 two-way of horizontal drowned flow water distributor, it is equipped between the water inlet supervisor 1 and vertical subsurface flow water distributor 7 and horizontal drowned flow water distributor 6
Switch the first valve mechanism 3 of water flow, the vertical subsurface flow water distributor 7 transversely and horizontally extends respectively with horizontal drowned flow water distributor 6
The upper layer that is arranged in artificial swamp construct 4, vertical equity are extended on the influent side in artificial swamp construct 4
Layer, it is divided into vertical subsurface flow collector pipe 9 and 10 two-way of horizontal drowned flow collector pipe, the vertical subsurface flow collector pipe in the sump 12
9 with horizontal drowned flow collector pipe 10 be transversely and horizontally extended on respectively the lower layer of wet land filler layer 8 in artificial swamp construct 4,
Vertical equity is extended on the water outlet side lower layer in artificial swamp construct 4, the vertical subsurface flow collector pipe 9 and horizontal drowned flow
It is respectively perpendicular on the latter end of collector pipe 10 and has set up vertical subsurface flow outlet pipe 11 and horizontal drowned flow outlet pipe 13.
When switch first valve mechanism 3 will water inlet supervisor 1 be connected to vertical subsurface flow water distributor 7 when, artificial swamp with
Vertical subsurface flow wetland tupe carries out processing operation；1 and level are responsible in water inlet when switching first valve mechanism 3
When undercurrent water distributor 6 is connected to, artificial swamp carries out processing operation with horizontal drowned flow artificial wet land tupe.
As shown in Figure 1, main water inlet tube 1 is divided into two-way water inlet by the tee tube that same caliber is added on water inlet supervisor 1,
Two branch pipes add the first valve mechanism 3 respectively and (or directly add three on main water inlet tube 1 and two water inlet pipes for controlling
Port valve door is for controlling.Two branch pipes are respectively as vertical subsurface flow water distributor 7 and horizontal drowned flow water distributor 6.Preferably, described
One valve mechanism 3 includes the valve being separately positioned on the valve on vertical subsurface flow water distributor 7 and horizontal drowned flow water distributor 6.
The design of 5 structure of distribution well is identical as conventional vertical drowned flow artificial wet land distribution well, is only located in into Manual moist
The water distribution pipe preformed hole that two same vertical line different heights are set on the wall in pond is managed, for being laid with two water distribution pipes, vertically
7 preformed hole of undercurrent water distributor is reserved in top, depth 15~20cm below 8 surface of wet land filler layer, horizontal drowned flow water distributor 6
In lower part, depth is identical as artificial swamp maximum jelly depth in hole.
Preferably, the vertical subsurface flow water distributor 7 is arranged in 6 top of horizontal drowned flow water distributor, the vertical subsurface flow water distribution
The height of pipe 7 is lower than the depth of wet land filler layer 8, and depth and the artificial swamp maximum of the horizontal drowned flow water distributor 6 freeze deep phase
Together.
As shown in Figure 1, horizontal drowned flow water distributor 6 is set according to the water distributor of horizontal drowned flow in Design of Constructed Wetland specification
It sets, it is preferable that 6 depth of horizontal drowned flow water distributor is identical as water-feeding deep.The vertical subsurface flow water distributor 7 is according to Manual moist
The water distributor of vertical subsurface flow is configured in ground design specification.The vertical subsurface flow collector pipe 9 and horizontal drowned flow collector pipe 10 from
The treated water of the bottom collection of filler 8, and the vertical subsurface flow water distributor 7 and the lateral water of the difference of horizontal drowned flow water distributor 6
It is flat to be extended on the upper layer of wet land filler layer 8, vertical equity in artificial swamp construct 4 and be extended on artificial swamp and construct
Influent side upper layer in body 4, to meet water distribution requirement.
As shown in Fig. 2, horizontal drowned flow collector pipe 10 is arranged according to conventional collector pipe, antipriming pipe is placed in processing pond end bottom
Portion.Vertical subsurface flow collector pipe 9 requires to be configured according to the collector pipe of vertical subsurface flow in design specification, notices that bottom and level are latent
10 infall of adfluxion water pipe is by bent sub around connected water outlet pipe again later.
The design of 12 structure of sump is identical as conventional vertical drowned flow artificial wet land sump, only in artificial wetland treatment out
The wall bottom in pond sets the outlet conduit preformed hole of two same horizontal line different locations, for being laid with two collecting conduits.Institute
It states to be respectively perpendicular on the latter end of vertical subsurface flow collector pipe 9 and horizontal drowned flow collector pipe 10 and has set up vertical subsurface flow outlet pipe 11
With horizontal drowned flow outlet pipe 13.
Further, the vertical subsurface flow outlet pipe 11 and 9 junction two sides of vertical subsurface flow collector pipe and horizontal drowned flow collection
Water pipe 10 and 13 junction two sides of horizontal drowned flow outlet pipe are equipped with the second valve 14.
Specifically, the three of same caliber is added on vertical subsurface flow wetland and horizontal drowned flow artificial wet land water outlet main pipe
Siphunculus adds valve for controlling, so that vertical subsurface flow outlet pipe 11 and horizontal drowned flow outlet pipe 13 can connect before and after threeway
Overflow pipe and evacuated tube, are provided with overflow and emptying.Preferably, 13 nozzle of the horizontal drowned flow outlet pipe setting height is low
In 11 nozzle height of vertical subsurface flow outlet pipe, and the height of the vertical subsurface flow outlet pipe 11 is lower than the height of wet land filler layer 8
With the height of vertical subsurface flow water distributor 7, the height of the horizontal drowned flow outlet pipe 13 is frozen deep lower than artificial swamp maximum.
Switchable type drowned flow artificial wet land processing pond Aspect Ratio should take 3:1, and regular artificial swamp unit pond length is suitable
For 20m~50m, the parallel works for avoiding processing water short stream and delay should be arranged in irregular unit cells.The artificial swamp structure
The bottom surface gradient, the hydraulic gradient of building body 4 should be between 0.5%~1%, and each unit pool area should be less than 800m2.Unit cells its
Remaining design is designed according to vertical subsurface flow in design specification or horizontal drowned flow.
As shown in figure 3, the wet land filler layer 8 is divided into inhalant region 15, body region in transversely and horizontally direction when filler is laid with
And exhalant region 16, the length of the inhalant region 15 are 1.0~1.5m, the length of the exhalant region 16 is 0.8~1.0m, described
The packing material size of inhalant region 15 is 20~50mm, and the packing material size of the exhalant region 16 is 15~40mm.Inhalant region 15 and water outlet
Area 16 guarantees water distribution uniformly using greater particle size filler and catchments unobstructed when using horizontal drowned flow mode.
Further, the body region of the wet land filler layer 8 vertical direction from top to bottom successively based on packing layer 17, mistake
Layer 18 and drainage blanket 19 are crossed, the packing material size of the main body packing layer 17 is 10~25mm, the filler grain of the transition zone 18
Diameter is 20~30mm, and the packing material size of the drainage blanket 19 is 30~40mm, water distribution when guaranteeing using vertical subsurface flow mode
Uniformly and catchment unobstructed.Lime stone, volcanic rock, zeolite, shale, haydite, clinker and anthracite etc. can be used in Performance of Constructed Wetlands Substrates
Material processing and fabricating is preferably drawn materials nearby.
The switchable type drowned flow artificial wet land of the utility model makes big portion of the artificial swamp of extremely frigid zones in 1 year
Purification of water quality can be carried out using the highest vertical subsurface flow wetland for the treatment of effeciency between timesharing；Freeze deeply larger (freeze deep in winter
More than vertical subsurface flow water distributor depth) Shi Yeneng is out of service, and be to switch to horizontal drowned flow artificial wet land tupe after
Sewage treatment capacity is held in continuation of insurance.The utility model solves the problems, such as vertical subsurface flow wetland winter pipeline frost heave.
In addition, two kinds of switch modes of the utility model are used interchangeably, ensure that drowned flow artificial wet land persistently handles fortune
Capable ability can switch to another mode, while examining to damage component in the parts damages of wherein one mode
It repairs, without out of service being overhauled by whole.The utility model greatly improves extremely frigid zones drowned flow artificial
Treatment effeciency, operation stability and the range of popularization and use of wetland.
The switchable type drowned flow artificial wet land of the utility model, switchable type drowned flow artificial wet land is in spring, summer, three season of autumn
Section carries out processing operation using vertical subsurface flow wetland tupe, and winter is when Manual moist frozen ground is as deep as arriving vertical subsurface flow cloth
Horizontal drowned flow artificial wet land tupe is switched to when water pipe buried depth, spring break is frozen buries to vertical subsurface flow water distributor deeply
When more than depth, vertical subsurface flow wetland tupe is switched back into.Specifically comprise the following steps:
A, in spring, summer, three seasons of autumn, switch the first valve mechanism 3 at distribution well 5, open vertical subsurface flow water distributor 7
On valve, the valve on horizontal drowned flow water distributor 6 is closed, before first opening 11 3 port of vertical subsurface flow outlet pipe at sump 12
Valve, while three port late gates being kept to close, it is then turned off 13 3 port early gate of horizontal drowned flow outlet pipe, while keeping three
Port late gate is closed, and carries out processing operation using vertical subsurface flow wetland tupe.
B, it is opened at distribution well 5 when Manual moist frozen ground is as deep as the buried depth for arriving vertical subsurface flow water distributor 7 in winter
Valve on horizontal drowned flow water distributor 6 closes the valve on vertical subsurface flow water distributor 7, first opens horizontal drowned flow at sump 12
13 3 port early gate of outlet pipe, while three port late gates being kept to close, it is then turned off 11 3 port of vertical subsurface flow outlet pipe
Early gate, while three port late gates being kept to close, switch to horizontal drowned flow artificial wet land tupe.
C, when the deep buried depth to vertical subsurface flow water distributor 7 or more is frozen in spring break, vertical subsurface flow water distributor 7 is opened
On valve, the valve on horizontal drowned flow water distributor 6 is closed, before first opening 11 3 port of vertical subsurface flow outlet pipe at sump 12
Valve, while three port late gates being kept to close, it is then turned off 13 3 port early gate of horizontal drowned flow outlet pipe, while keeping three
Port late gate is closed, and vertical subsurface flow wetland tupe is switched back into.
D, artificial swamp simultaneously closes off the first valve mechanism 3, at sump 12 when being emptied at distribution well 5
Open simultaneously all valves on vertical subsurface flow outlet pipe 11 and horizontal drowned flow outlet pipe 13.It is simultaneously closed off at distribution well 5 vertical
Valve on undercurrent cloth feeding pipe 7 and horizontal drowned flow water distributor 6 opens simultaneously vertical subsurface flow outlet pipe 11 and level at sump 12
All valves, are emptied on undercurrent outlet pipe 13.
Winter protection measure: entering and be covered on switchable type drowned flow artificial wet land after being gathered in front of the winter to plant, if any
Other Insulations as far as possible keep the temperature processing pond, to ensure to extend to greatest extent vertical subsurface flow wetland processing mould
Formula can make energy high water level operation under horizontal drowned flow artificial wet land tupe, to greatest extent also after handover with to greatest extent
Treatment effeciency is improved, so that wetland generates bigger Purification Benefits of Purifying.Other operation and maintenance measures are according to horizontal drowned flow people in specification
Work wetland and vertical subsurface flow wetland are safeguarded.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (9)
1. a kind of switchable type drowned flow artificial wet land, including artificial swamp construct (4), it is filled in the artificial swamp construct
(4) wet land filler layer (8) in, setting artificial swamp construct (4) opposite sides distribution well (5) and sump
(12), the water inlet supervisor (1) being connected with the distribution well (5), it is characterised in that: the water inlet supervisor (1) is in the distribution well
(5) it is divided into vertical subsurface flow water distributor (7) and horizontal drowned flow water distributor (6) two-way, the water inlet supervisor (1) and vertical subsurface flow cloth in
The first valve mechanism (3) of switching water flow, the vertical subsurface flow water distribution are equipped between water pipe (7) and horizontal drowned flow water distributor (6)
Pipe (7) and horizontal drowned flow water distributor (6) are transversely and horizontally extended on upper layer, longitudinal direction in artificial swamp construct (4) respectively
The influent side upper layer that horizontal extension is arranged in artificial swamp construct (4), the sump (12) is interior to be divided into vertical subsurface flow collection
Water pipe (9) and horizontal drowned flow collector pipe (10) two-way, the vertical subsurface flow collector pipe (9) and horizontal drowned flow collector pipe (10) are respectively
The lower layer that is transversely and horizontally extended in artificial swamp construct (4), vertical equity are extended on artificial swamp construct
(4) the water outlet side lower layer in, be respectively perpendicular on the latter end of the vertical subsurface flow collector pipe (9) and horizontal drowned flow collector pipe (10) to
On be provided with vertical subsurface flow outlet pipe (11) and horizontal drowned flow outlet pipe (13),
When water inlet is responsible for (1) by switching first valve mechanism (3) to be connected to vertical subsurface flow water distributor (7), artificial swamp
Processing operation is carried out with vertical subsurface flow wetland tupe；(1) is responsible in water inlet when switching first valve mechanism (3)
When being connected to horizontal drowned flow water distributor (6), artificial swamp carries out processing operation with horizontal drowned flow artificial wet land tupe.
2. switchable type drowned flow artificial wet land according to claim 1, it is characterised in that: the horizontal drowned flow water distributor
(6) depth is identical as water-feeding deep.
3. switchable type drowned flow artificial wet land according to claim 1, it is characterised in that: the vertical subsurface flow outlet pipe
(11) even with vertical subsurface flow collector pipe (9) junction two sides and horizontal drowned flow collector pipe (10) and horizontal drowned flow outlet pipe (13)
The place of connecing two sides are equipped with the second valve (14).
4. switchable type drowned flow artificial wet land according to claim 3, it is characterised in that: the horizontal drowned flow outlet pipe
(13) nozzle setting height is lower than vertical subsurface flow outlet pipe (11) nozzle height, and the height of the vertical subsurface flow outlet pipe (11)
Degree is lower than the height of wet land filler layer (8) and the height of vertical subsurface flow water distributor (7), the height of the horizontal drowned flow outlet pipe (13)
Degree freezes deep lower than artificial swamp maximum.
5. switchable type drowned flow artificial wet land according to claim 1, it is characterised in that: the vertical subsurface flow water distributor
(7) setting is on horizontal drowned flow water distributor (6) top, and the height of the vertical subsurface flow water distributor (7) is lower than wet land filler layer (8)
The depth of depth, the horizontal drowned flow water distributor (6) is identical as artificial swamp maximum jelly depth.
6. switchable type drowned flow artificial wet land according to claim 1, it is characterised in that: the artificial swamp construct
(4) Aspect Ratio is 3:1, and length is 20~50m, and the bottom surface gradient and hydraulic gradient of the artificial swamp construct (4) are 0.5
Between~1%, the area of the artificial swamp construct (4) is less than 800m2。
7. switchable type drowned flow artificial wet land according to claim 1, it is characterised in that: the wet land filler layer (8) exists
Transversely and horizontally direction is divided into inhalant region (15), body region and exhalant region (16), and the length of the inhalant region (15) is 1.0~
1.5m, the length of the exhalant region (16) are 0.8~1.0m, and the packing material size of the inhalant region (15) is 20~50mm, described
The packing material size of exhalant region (16) is 15~40mm.
8. switchable type drowned flow artificial wet land according to claim 7, it is characterised in that: the wet land filler layer (8)
Body region vertical direction from top to bottom successively based on packing layer (17), transition zone (18) and drainage blanket (19), the master
The packing material size of body packing layer (17) is 10~25mm, and the packing material size of the transition zone (18) is 20~30mm, the draining
The packing material size of layer (19) is 30~40mm.
9. switchable type drowned flow artificial wet land according to claim 3, it is characterised in that: first valve mechanism (3)
Including the valve on the valve and horizontal drowned flow water distributor (6) that are separately positioned on vertical subsurface flow water distributor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230199.7U CN208617490U (en) | 2018-08-01 | 2018-08-01 | A kind of switchable type drowned flow artificial wet land |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230199.7U CN208617490U (en) | 2018-08-01 | 2018-08-01 | A kind of switchable type drowned flow artificial wet land |
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| Publication Number | Publication Date |
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| CN208617490U true CN208617490U (en) | 2019-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116675345A (en) * | 2023-05-06 | 2023-09-01 | 中节能国祯环保科技股份有限公司 | Sewage treatment plant tail water constructed wetland system and tail water treatment method |
-
2018
- 2018-08-01 CN CN201821230199.7U patent/CN208617490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116675345A (en) * | 2023-05-06 | 2023-09-01 | 中节能国祯环保科技股份有限公司 | Sewage treatment plant tail water constructed wetland system and tail water treatment method |
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