CN217148733U - Undercurrent artificial wetland beneficial to alleviating blockage - Google Patents
Undercurrent artificial wetland beneficial to alleviating blockage Download PDFInfo
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- CN217148733U CN217148733U CN202220748618.6U CN202220748618U CN217148733U CN 217148733 U CN217148733 U CN 217148733U CN 202220748618 U CN202220748618 U CN 202220748618U CN 217148733 U CN217148733 U CN 217148733U
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- 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
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Abstract
The utility model discloses an undercurrent artificial wetland which is beneficial to reducing blockage, comprising a wetland main body area, a suspended matter filtering area and a mudguard; the device sequentially comprises a suspended matter filtering area, a mud guard and a wetland main body area according to the water flow direction; the suspended matter filtering area is used for adsorbing and filtering suspended matters in the inlet water; the mud guard is used for further adsorbing and filtering suspended matters in the inlet water. The utility model discloses do benefit to the problem that slowly reduces the wetland jam, strengthen the nitrogen phosphorus purifying effect of wetland.
Description
Technical Field
The utility model relates to a sewage purification treatment technical field, concretely relates to do benefit to undercurrent constructed wetland who slowly subtracts jam.
Background
The constructed wetland water quality purification technology is a sewage ecological treatment technology which is developed rapidly in recent years, can effectively treat various kinds of waste water, such as domestic sewage, industrial waste water and the like, and can effectively remove various pollutants, such as organic pollutants, nutrients including nitrogen, phosphorus and the like, heavy metals, salts, pathogenic bacteria microorganisms and the like. In addition, the constructed wetland has the characteristics of good effluent quality, high nitrogen and phosphorus treatment efficiency, convenient operation and maintenance, low investment and operation cost and the like. The artificial wetland system is divided into a surface flow wetland system and an undercurrent wetland system according to the flowing state of water. Compared with a surface flow wetland system, the subsurface flow wetland system has the characteristics of high sewage treatment load, good treatment effect, small occupied area and the like, and treats water with relatively high pollutant concentration.
However, the conventional subsurface flow wetland has the problems of easy blockage in the operation process and the like, and the problems of a dead water area, low dissolved oxygen and the like in the wetland caused by non-uniform water distribution, so that the treatment effect of pollutants such as nitrogen and phosphorus in the wetland is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: conventional undercurrent wetland has the easy scheduling problem that blocks up in the operation process, influences the sewage treatment effect, the utility model provides a solve the undercurrent constructed wetland that one kind of above-mentioned problem does benefit to the slow reduction and blocks up, does benefit to the problem that the slow reduction wetland blockked up, strengthens the nitrogen phosphorus purifying effect of wetland.
The utility model discloses a following technical scheme realizes:
an undercurrent artificial wetland beneficial to alleviating blocking comprises a wetland main body area, a suspended matter filtering area and a mudguard; the device sequentially comprises a suspended matter filtering area, a mud guard and a wetland main body area according to the water flow direction; the suspended matter filtering area is used for adsorbing and filtering suspended matters in the inlet water; the mud guard is used for further adsorbing and filtering suspended matters in the inlet water.
The utility model adds a suspended matter filtering area and a mudguard at the upper reaches of the wetland main body area, and the intake water is primarily filtered by the suspended matter filtering area to adsorb suspended matters in the intake water; the inlet water is secondarily filtered through the mud guard, suspended matters in the water are further adsorbed, and the blockage rate inside the filler in the operation of the wetland main body area is remarkably reduced. The preferred suspended solid filtering area adopts the packing layer to filter, and the fender adopts the filter screen structure to filter.
Further preferably, the filler in the suspension filtration zone comprises a layer of limestone.
Preferably, a water passing perforated inner partition wall is arranged between the suspended matter filtering area and the wetland main body area and is used for supporting and fixing a mudguard; the mud guard is embedded into a supporting body formed by the water through-hole inner partition wall through a removable structure.
Further preferably, the fender adopts a honeycomb structure.
Preferably, the filler laying in the wetland main body area adopts a multi-stage assembly structure, and the fillers with large particle size to the fillers with small particle size are sequentially arranged from bottom to top.
Preferably, the wetland main body area sequentially comprises a ceramsite layer, a zeolite layer, a limestone layer and a pea gravel layer from bottom to top.
Further preferably, the grain size of the filler ceramsite in the ceramsite layer is 20mm-40mm, the grain size of the filler zeolite in the zeolite layer is 10mm-30mm, the grain size of the filler in the limestone layer is 10mm-30mm, and the grain size of the filler in the pea gravel layer is 10mm-15 mm.
Further preferably, the suspended matter filtering device further comprises a water distribution channel, wherein the water distribution channel is arranged at the upstream of the suspended matter filtering area; an aeration pipe is arranged in the water distribution channel.
Further preferably, the wetland sewage treatment system further comprises a water outlet channel and a water outlet pipe, wherein the water outlet channel is arranged at the downstream of the wetland main body area; the input end of the water outlet pipe is positioned in the water outlet channel and close to the liquid level, and the output end of the water outlet pipe is positioned outside the water outlet channel and close to the bottom of the water outlet channel.
Further preferably, the water inlet perforated wall and the water outlet perforated wall are also included; the water inlet perforated wall is arranged between the water distribution channel and the suspended matter filtering area, and the water outlet perforated wall is arranged between the wetland main body area and the water outlet channel.
The utility model discloses have following advantage and beneficial effect:
1. the utility model discloses suspended solid filtering area and fender have been increased at wetland main part upper reaches to the lime stone filtering area is for example, and suspended solid filtering area can be short regional preliminary filtration the suspended solid in the water, and the fender can carry out secondary filter to the water, helps reducing the inside jam rate of wetland in service filler.
2. The utility model designs a replaceable honeycomb adsorption fender which can be permeable to water and can adsorb and filter suspended matters in the water body again; meanwhile, the water can be lifted upwards for replacement, and the replaced water can be repeatedly washed and reused.
3. The utility model discloses a wetland main body district packs the mode of laying and adopts multistage collection formula, upwards packs to the small particle diameter for big particle diameter filler from childhood in proper order, helps reducing the inside jam rate of filler in the wetland operation equally, has strengthened the interior ability of crossing water of wetland, and in addition, the preferable nitrogen phosphorus purifying effect to nitrogen phosphorus adsorption effect purification better haydite, zeolite etc. of wetland is packed to the wetland.
4. The utility model discloses the water distribution channel at wetland main part upper reaches has increased aeration systems, has improved the dissolved oxygen content of intaking, is favorable to the purifying effect of rear end wetland to nitrogen phosphorus in the water.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is the main structure schematic diagram of the subsurface flow constructed wetland beneficial to reducing the blockage rate.
Fig. 2 is a partial structural schematic diagram of fig. 1.
Reference numbers and corresponding part names in the drawings:
1-water distribution channel, 2-suspended matter filtering zone, 3-mud guard, 4-wetland main zone, 5-water outlet channel, 6-aeration pipe, 7-water inlet pipe, 8-water outlet pipe, 9-water inlet perforated wall, 10-water outlet perforated inner partition wall and 11-water outlet perforated wall.
41-a ceramic particle layer, 42-a zeolite layer, 43-a limestone layer and 44-a bean sandstone layer.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Example 1
The embodiment provides an undercurrent artificial wetland beneficial to alleviating blockage, which comprises a wetland main body area 4, a suspended matter filtering area 2 and a mudguard 3; the wetland sewage treatment system sequentially comprises a suspended matter filtering area 2, a mud guard 3 and a wetland main body area 4 according to the water flow direction. The suspended matter filtering area 2 is used for adsorbing and filtering suspended matters in the inlet water; the mud guard 3 is used for further absorbing and filtering suspended matters in the inlet water.
In the embodiment, the suspended matter filtering area 2 and the mudguard 3 are additionally arranged at the upstream of the wetland main body area 4, and the inlet water is primarily filtered through the suspended matter filtering area 2 to adsorb suspended matters in the inlet water; the mud guard 3 is used for carrying out secondary filtration on the inlet water, so that suspended matters in the water are further absorbed, and the blockage rate inside the filler in the operation of the wetland main body area 4 is obviously reduced. Preferably, the suspended matter filtering area 2 is filtered by a filler layer, and the mudguard 3 is filtered by a filter screen structure.
Example 2
The embodiment provides an undercurrent artificial wetland beneficial to alleviating blockage, which comprises a wetland main body area 4, a suspended matter filtering area 2 and a mudguard 3, wherein the wetland main body area 4 is described in the embodiment 1; the suspended matter filtering area 2, the mud guard 3 and the wetland main area (4) are optimally designed as follows:
the filler in the suspended matter filtering area 2 comprises a limestone layer, and mainly adopts limestone filler with large particle size, wherein the large particle size refers to the particle size larger than that of the limestone filler in the wetland main body area 4 and is determined based on the type of suspended matters in sewage, the size of the particle size and the like.
The fender 3 is designed to be capable of providing an alternative honeycomb adsorption fender, is permeable and mainly meets two functions: firstly, the suspended matters in the water body can be adsorbed and filtered again; and secondly, the fender can be lifted upwards for replacement, and the replaced fender can be repeatedly washed and reused. An overflow perforated inner partition wall 10 is arranged between the suspended matter filtering area 2 and the wetland main body area 4, and the overflow perforated inner partition wall 10 is used for supporting and fixing the mud guard 3; the mud guard 3 is embedded in a supporting body formed by the water through-hole inner partition wall 10 by a removable structure. The overflow perforated inner partition wall 10 can be a groove body formed by four groups of wall bodies in a surrounding way, the wall bodies are provided with the overflow holes, and the tank body is internally embedded with the mud guard 3 in a transition fit way; or a wall column structure is adopted to form a frame, and a mudguard is embedded in the frame.
The filler in the wetland main body area 4 is laid by adopting a multi-stage assembly structure, and the filler with large particle size to the filler with small particle size is sequentially arranged from bottom to top. The wetland main body area 4 is sequentially provided with a ceramsite layer 41, a zeolite layer 42, a limestone layer 43 and a bean-sandstone layer 44 from bottom to top. The grain diameter of the ceramsite filled in the ceramsite layer 41 is 20mm-40mm, the grain diameter of the zeolite filled in the zeolite layer 42 is 10mm-30mm, the grain diameter of the filler in the limestone layer 43 is 10mm-30mm, and the grain diameter of the filler in the bean sandstone layer 44 is 10mm-15 mm. In this embodiment, the packing layer is arranged in the multistage centralized structure of the wetland main body area 4, which is also beneficial to reducing the blocking rate inside the packing during wetland operation and enhancing the water passing capacity in the wetland, and in addition, the packing of the wetland main body area 4 is preferably ceramsite, zeolite and the like which have good purification effect on nitrogen and phosphorus adsorption, so as to enhance the nitrogen and phosphorus purification effect of the wetland.
Example 3
The embodiment provides an undercurrent artificial wetland beneficial to alleviating blockage, which comprises a water distribution channel 1, a water inlet perforated wall 9, a suspended matter filtering area 2, a water outlet perforated inner partition wall 10, a mud guard 3, a wetland main body area 4, a water outlet perforated wall 11, a water outlet channel 5, a water inlet pipe 7, a water outlet pipe 8 and an aeration pipe 6; according to the water flow direction, a water distribution channel 1, a water inlet perforated wall 9, a suspended matter filtering area 2, a water passing perforated inner partition wall 10, a mudguard 3, a water passing perforated inner partition wall 10, a wetland main body area 4, a water outlet perforated wall 11 and a water outlet channel 5 are sequentially arranged.
The design of the suspended matter filtering area 2, the mud guard 3, the wetland body area 4 and the water passing perforated inner partition wall 10 is given in example 2.
The water distribution channel 1 is arranged at the upstream of the suspended matter filtering area 2; an aeration pipe 6 is arranged in the water distribution channel 1.
The water outlet channel 5 is arranged at the downstream of the wetland main body area 4; the input end of the water outlet pipe 8 is positioned in the water outlet channel 5 and close to the liquid level, and the output end of the water outlet pipe 8 is positioned outside the water outlet channel 5 and close to the bottom of the water outlet channel 5; the water outlet channel 5 and the water outlet pipe 8 are arranged, so that the water outlet channel 5 mainly plays a role in sedimentation, and the water quality purification effect is further improved.
The water inlet perforated wall 9 is arranged between the water distribution channel 1 and the suspended matter filtering area 2, and the water outlet perforated wall 11 is arranged between the wetland main body area 4 and the water outlet channel 5.
The input end of the water inlet pipe 7 is used for connecting the sewage treatment equipment, and the output end is positioned in the water distribution channel 1 and close to the bottom.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An undercurrent artificial wetland beneficial to alleviating blockage comprises a wetland main body area (4), and is characterized by also comprising a suspended matter filtering area (2) and a mudguard (3);
the wetland sewage treatment system sequentially comprises a suspended matter filtering area (2), a mud guard (3) and a wetland main body area (4) according to the water flow direction;
the suspended matter filtering area (2) is used for adsorbing and filtering suspended matters in the inlet water;
the mud guard (3) is used for further adsorbing and filtering suspended matters in the inlet water.
2. Subsurface flow constructed wetland favorable to blockage mitigation according to claim 1, characterized in that the packing in the suspended matter filtration zone (2) comprises a layer of limestone.
3. The subsurface flow constructed wetland favorable for alleviating blockage according to claim 1, characterized in that an overflow perforated inner partition wall (10) is arranged between the suspended matter filtering area (2) and the wetland main body area (4), and the overflow perforated inner partition wall (10) is used for supporting and fixing a mudguard (3); the mud guard (3) is embedded into a supporting body formed by the water through-hole inner partition wall (10) through a removable structure.
4. The subsurface constructed wetland favorable for alleviating blockage according to claim 1, characterized in that the mudguard (3) adopts a honeycomb structure.
5. The subsurface flow constructed wetland beneficial to blockage reduction as claimed in claim 1, characterized in that the filler laying in the wetland main body area (4) adopts a multi-stage assembly structure, and the fillers with large particle size to the fillers with small particle size are sequentially arranged from bottom to top.
6. The subsurface flow constructed wetland favorable for alleviating blockage according to claim 5, characterized in that the wetland main body area (4) comprises a ceramic particle layer (41), a zeolite layer (42), a limestone layer (43) and a pea gravel layer (44) from bottom to top in sequence.
7. The subsurface flow constructed wetland favorable for alleviating blockage according to claim 6, characterized in that the grain diameter of the filler ceramsite in the ceramsite layer (41) is 20-40 mm, the grain diameter of the filler zeolite in the zeolite layer (42) is 10-30 mm, the grain diameter of the filler in the limestone layer (43) is 10-30 mm, and the grain diameter of the filler in the pea gravel layer (44) is 10-15 mm.
8. The subsurface flow constructed wetland beneficial to blockage alleviation as recited in any one of the claims 1 to 7, further comprising a distribution channel (1), wherein the distribution channel (1) is arranged upstream of the suspended matter filtering area (2); an aeration pipe (6) is arranged in the water distribution channel (1).
9. The subsurface flow constructed wetland beneficial to blockage alleviation as recited in claim 8, further comprising an outlet channel (5) and an outlet pipe (8), wherein the outlet channel (5) is arranged at the downstream of the wetland main body area (4); the input end of the water outlet pipe (8) is positioned in the water outlet channel (5) and close to the liquid level, and the output end of the water outlet pipe (8) is positioned outside the water outlet channel (5) and close to the bottom of the water outlet channel (5).
10. The subsurface flow constructed wetland favorable for alleviating blockage according to claim 8, further comprising a water inlet perforated wall (9) and a water outlet perforated wall (11); the water inlet perforated wall (9) is arranged between the water distribution channel (1) and the suspended matter filtering area (2), and the water outlet perforated wall (11) is arranged between the wetland main body area (4) and the water outlet channel (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220748618.6U CN217148733U (en) | 2022-03-31 | 2022-03-31 | Undercurrent artificial wetland beneficial to alleviating blockage |
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| CN202220748618.6U CN217148733U (en) | 2022-03-31 | 2022-03-31 | Undercurrent artificial wetland beneficial to alleviating blockage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432825A (en) * | 2022-09-20 | 2022-12-06 | 中海生态环境科技有限公司 | Vertical subsurface flow constructed wetland structure |
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- 2022-03-31 CN CN202220748618.6U patent/CN217148733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432825A (en) * | 2022-09-20 | 2022-12-06 | 中海生态环境科技有限公司 | Vertical subsurface flow constructed wetland structure |
| CN115432825B (en) * | 2022-09-20 | 2023-06-16 | 中海生态环境科技有限公司 | Vertical subsurface flow constructed wetland structure |
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