CN111559800A - Spraying and oxygen increasing system of subsurface flow constructed wetland - Google Patents

Spraying and oxygen increasing system of subsurface flow constructed wetland Download PDF

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Publication number
CN111559800A
CN111559800A CN202010211065.6A CN202010211065A CN111559800A CN 111559800 A CN111559800 A CN 111559800A CN 202010211065 A CN202010211065 A CN 202010211065A CN 111559800 A CN111559800 A CN 111559800A
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China
Prior art keywords
outlet pipe
air outlet
water
spray
aeration
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Pending
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CN202010211065.6A
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Chinese (zh)
Inventor
李静
李茜玲
陆路
孙景林
唐俊
左曼曼
王刚
郭文翰
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Suzhou Gold Mantis Green Landscape Ltd Co
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Suzhou Gold Mantis Green Landscape Ltd Co
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Priority to CN202010211065.6A priority Critical patent/CN111559800A/en
Publication of CN111559800A publication Critical patent/CN111559800A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The invention provides a spraying oxygenation system of an undercurrent artificial wetland, which comprises: horizontal oxygenation mechanism and perpendicular oxygenation mechanism, horizontal oxygenation mechanism includes the water distributor, and the water distributor erects on the wetland matrix layer, is provided with a plurality of spray set on the water distributor, and a plurality of spray set are provided with the hole for water spraying along the axial parallel arrangement of water distributor on the spray set, and perpendicular oxygenation mechanism includes the intake pipe, is provided with a plurality of aeration pipes in the intake pipe, and a plurality of aeration pipes are arranged along the axial parallel of intake pipe, and the aeration pipe inserts in the wetland matrix layer. According to the spraying and oxygen increasing system for the subsurface flow constructed wetland, the horizontal oxygen increasing mechanism is used for spraying water, and the vertical oxygen increasing mechanism is combined for aerating water flow in a wetland matrix layer, so that the speed and the quantity of oxygen dissolved in water are greatly increased, and the nitrification and denitrification capability of the constructed wetland is improved.

Description

Spraying and oxygen increasing system of subsurface flow constructed wetland
Technical Field
The invention relates to an undercurrent artificial wetland, in particular to a spraying and oxygen increasing system of the undercurrent artificial wetland.
Background
Constructed Wetlands (CW) are an ecological system for sewage treatment by using the material and energy circulation among substrates (or called fillers, biological carriers), plants and microorganisms. The removal of pollutants is achieved through the synergistic effect of physics, chemistry and biology among all parts.
The artificial wetland is generally divided into two types, including a surface flow artificial wetland and an undercurrent artificial wetland, wherein the surface flow artificial wetland has less application in practical engineering because the artificial wetland has lower load, large floor area, high temperature, easy propagation of mosquitoes and flies, poor sanitary condition, surface icing at low temperature, great reduction of the treatment effect of the system, and incapability of fully utilizing fillers and rich plant roots. The main structure of the subsurface flow constructed wetland is similar to that of the surface flow constructed wetland, but when sewage flows in the substrate, the water surface is lower than the surface layer of the substrate, so that on one hand, the biological membrane on the surface of the substrate, rich plant roots and the interception function of the substrate are fully utilized, and the treatment effect and the treatment capacity are improved; on the other hand, because the water flow always flows on the surface layer of the substrate, the problems of mosquitoes, flies and odor are avoided, and the influence of temperature is reduced to a certain degree.
The problem of insufficient oxygen content easily occurs to the subsurface flow constructed wetland, so that the nitrification and denitrification capacity of the constructed wetland is reduced, and further the purification capacity of the wetland is reduced.
Disclosure of Invention
In view of the above, the invention provides a spraying and oxygen increasing system for an undercurrent artificial wetland, which utilizes a horizontal oxygen increasing mechanism to spray water surface and combines a vertical oxygen increasing mechanism to aerate water flow in a wetland matrix layer, thereby greatly increasing the speed and quantity of oxygen dissolved in water and improving the capability of nitrification and denitrification of the artificial wetland.
Therefore, the invention provides a spraying oxygenation system of an undercurrent artificial wetland, which comprises: horizontal oxygenation mechanism and perpendicular oxygenation mechanism, horizontal oxygenation mechanism includes the water distributor, and the water distributor erects on the wetland matrix layer, is provided with a plurality of spray set on the water distributor, and a plurality of spray set are provided with the hole for water spraying along the axial parallel arrangement of water distributor on the spray set, and perpendicular oxygenation mechanism includes the intake pipe, is provided with a plurality of aeration pipes in the intake pipe, and a plurality of aeration pipes are arranged along the axial parallel of intake pipe, and the aeration pipe inserts in the wetland matrix layer.
Further, the spraying device comprises two spraying units which are symmetrically arranged about the axis of the water distribution pipe, and the water spraying holes are positioned on the spraying units.
Furthermore, water outlet pipes are arranged on two sides of the spraying unit and are parallel to the water distribution pipes.
Furthermore, the end surface of the water outlet pipe is an inclined tangent plane.
Furthermore, a plurality of sets of air outlet pipe mechanisms are arranged on the aeration pipe and are arranged in parallel along the axial direction of the aeration pipe.
Furthermore, the air outlet pipe mechanism comprises a long air outlet pipe mechanism and a short air outlet pipe mechanism, and the long air outlet pipe mechanism and the short air outlet pipe mechanism are arranged on the aeration pipe at intervals.
Further, the long air outlet pipe mechanism comprises a plurality of long air outlet pipe units which are circumferentially and equidistantly arranged on the aeration pipe.
Furthermore, the short air outlet pipe mechanism comprises a plurality of short air outlet pipe units which are circumferentially arranged on the aeration pipe at equal intervals.
Further, the diameter of the long air outlet pipe unit is larger than that of the short air outlet pipe unit.
Further, the length of the long air outlet pipe unit is greater than that of the short air outlet pipe unit.
The invention provides a spraying oxygenation system of an undercurrent artificial wetland, aiming at the problem of insufficient oxygen content of the undercurrent artificial wetland, water is distributed in a spraying mode, sewage is sprayed out through water distribution holes with upward openings and water outlet pipes on two sides of a water distribution pipe spraying device, the contact area of the sewage and air is enlarged by water surface spraying, the speed and the quantity of oxygen dissolved in water are increased, and then an aeration pipe of a vertical oxygenation mechanism is combined to directly aerate water flow in a wetland matrix layer through an air outlet pipe mechanism, so that the problem of insufficient oxygen content of the undercurrent artificial wetland is effectively solved, and the capability of nitrification and denitrification of the artificial wetland is improved. The symmetrically arranged spraying units on the spraying device can effectively increase the water distribution area of the water distribution pipe.
According to the spraying and oxygen increasing system for the subsurface flow constructed wetland, the horizontal oxygen increasing mechanism is used for spraying water, and the vertical oxygen increasing mechanism is combined for aerating water flow in a wetland matrix layer, so that the speed and the quantity of oxygen dissolved in water are greatly increased, and the nitrification and denitrification capability of the constructed wetland is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a spraying and oxygen increasing system of an undercurrent artificial wetland provided by the embodiment of the invention;
fig. 2 is a schematic structural diagram of a top view angle of a water distribution pipe in a spraying and oxygen increasing system of an subsurface flow constructed wetland provided by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a side view angle of a spraying device in the spraying aeration system of the subsurface flow constructed wetland provided by the embodiment of the invention;
fig. 4 is a schematic structural view of an aerator pipe in the spray aeration system of the subsurface flow constructed wetland provided by the embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, a spraying and oxygen increasing system for an subsurface flow constructed wetland is shown, which includes: horizontal oxygenation mechanism 1 and perpendicular oxygenation mechanism 2, horizontal oxygenation mechanism 1 includes water distributor 11, water distributor 11 erects on wetland matrix layer 3, be provided with a plurality of spray set 12 on the water distributor 11, a plurality of spray set 12 are along the axial parallel arrangement of water distributor 11, be provided with hole for water spraying 121 on the spray set 12, perpendicular oxygenation mechanism 2 includes intake pipe 21, be provided with a plurality of aeration pipes 22 on the intake pipe 21, a plurality of aeration pipes 22 are along the axial parallel arrangement of intake pipe 21, aeration pipe 22 inserts in wetland matrix layer 3.
Specifically, referring to fig. 1 to 4, the spraying device 12 includes two spraying units 122 symmetrically arranged about the axis of the water distributor 11, and the water spraying holes 121 are located on the spraying units 122.
Specifically, referring to fig. 1 to 4, water outlet pipes 1221 are disposed on two sides of the spraying unit 122, and the water outlet pipes 1221 are parallel to the water distribution pipes 11.
Specifically, referring to fig. 1 to 4, a plurality of sets of air outlet pipe mechanisms 23 are arranged on the aeration pipe 22, and the plurality of sets of air outlet pipe mechanisms 23 are arranged in parallel along the axial direction of the aeration pipe 22.
The invention provides a spraying oxygenation system of an undercurrent artificial wetland, aiming at the problem of insufficient oxygen content of the undercurrent artificial wetland, water is distributed in a spraying mode, sewage is sprayed out through water distribution holes with upward openings and water outlet pipes on two sides of a water distribution pipe spraying device, the contact area of the sewage and air is enlarged by water surface spraying, the speed and the quantity of oxygen dissolved in water are increased, and then an aeration pipe of a vertical oxygenation mechanism is combined to directly aerate water flow in a wetland matrix layer through an air outlet pipe mechanism, so that the problem of insufficient oxygen content of the undercurrent artificial wetland is effectively solved, and the capability of nitrification and denitrification of the artificial wetland is improved. The symmetrically arranged spraying units on the spraying device can effectively increase the water distribution area of the water distribution pipe.
According to the spraying and oxygen increasing system for the subsurface flow constructed wetland, the horizontal oxygen increasing mechanism is used for spraying water, and the vertical oxygen increasing mechanism is combined for aerating water flow in a wetland matrix layer, so that the speed and the quantity of oxygen dissolved in water are greatly increased, and the nitrification and denitrification capability of the constructed wetland is improved.
Example two:
referring to fig. 1 to 4, a spraying and oxygen increasing system for an subsurface flow constructed wetland according to a second embodiment of the present invention is shown, and the present embodiment further adopts the following improved technical solutions on the basis of the above embodiments: the end face of the water outlet pipe 1221 is an inclined tangent plane.
The sewage flows out of the water distribution pipe from the water outlet pipe to realize water surface spraying, and in order to increase the water outlet speed and the water outlet area, the end surface of the water outlet pipe is an inclined tangent plane, so that the speed and the quantity of oxygen dissolved in water can be increased, and the purification capacity of the wetland is improved.
Example three:
referring to fig. 1 to 4, a spraying and oxygen increasing system for an subsurface flow constructed wetland according to a third embodiment of the present invention is shown, and the present embodiment further adopts the following improved technical solutions on the basis of the above embodiments: the air outlet pipe mechanism 23 comprises a long air outlet pipe mechanism 231 and a short air outlet pipe mechanism 232, the long air outlet pipe mechanism 231 and the short air outlet pipe mechanism 232 are arranged on the aeration pipe 22 at intervals, the long air outlet pipe mechanism 231 comprises a plurality of long air outlet pipe units 2311, the long air outlet pipe units 2311 are circumferentially and equidistantly arranged on the aeration pipe 22, the short air outlet pipe mechanism 232 comprises a plurality of short air outlet pipe units 2321, the short air outlet pipe units 2321 are circumferentially and equidistantly arranged on the aeration pipe 22, and the diameter of the long air outlet pipe units 2311 is larger than that of the short air outlet pipe units 2321.
Aeration pipe passes through outlet duct mechanism and aerates the intraformational rivers of wetland matrix, and long outlet duct mechanism has the great long outlet duct unit of diameter, and short outlet duct mechanism has the less short outlet duct unit of diameter, and long outlet duct unit diameter is difficult to the jam greatly, and short outlet duct unit diameter is little, and the dissolution efficiency of oxygen is high, and both combine the aeration effect of fully guaranteeing the aeration pipe.
Example four:
referring to fig. 1 to 4, a spraying and oxygen increasing system for an subsurface flow constructed wetland according to a fourth embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: the long outlet pipe unit 2311 has a length greater than that of the short outlet pipe unit 2321.
The short air outlet pipe unit is small in diameter and easy to block, but the long air outlet pipe unit and the short air outlet pipe mechanism are arranged on the aerator pipe at intervals, the length of the long air outlet pipe unit is larger than that of the short air outlet pipe unit, and a jet area formed by the long air outlet pipe unit can protect the short air outlet pipe unit from being blocked.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims (10)

1. The utility model provides an oxygenation system sprays of undercurrent constructed wetland which characterized in that includes: horizontal oxygenation mechanism (1) and perpendicular oxygenation mechanism (2), horizontal oxygenation mechanism (1) includes water distributor (11), water distributor (11) are erect on wetland matrix layer (3), be provided with a plurality of spray set (12) on water distributor (11), a plurality of spray set (12) are followed the axial parallel arrangement of water distributor (11), be provided with hole for water spraying (121) on spray set (12), perpendicular oxygenation mechanism (2) are including intake pipe (21), be provided with a plurality of aeration pipes (22) on intake pipe (21), a plurality of aeration pipes (22) are followed the axial parallel arrangement of intake pipe (21), aeration pipe (22) insert in wetland matrix layer (3).
2. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 1, characterized in that the spray device (12) comprises two spray units (122) symmetrically arranged about the axis of the water distributor (11), and the water spray holes (121) are positioned on the spray units (122).
3. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 2, characterized in that water outlet pipes (1221) are arranged on two sides of the spray unit (122), and the water outlet pipes (1221) are parallel to the water distribution pipes (11).
4. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 3, characterized in that the end surface of the water outlet pipe (1221) is an inclined tangent plane.
5. The spray aeration system of the subsurface flow constructed wetland according to claim 1, characterized in that a plurality of sets of air outlet pipe mechanisms (23) are arranged on the aeration pipe (22), and the air outlet pipe mechanisms (23) are arranged in parallel along the axial direction of the aeration pipe (22).
6. The spray aeration system of the subsurface flow constructed wetland according to claim 5, wherein the air outlet pipe mechanism (23) comprises a long air outlet pipe mechanism (231) and a short air outlet pipe mechanism (232), and the long air outlet pipe mechanism (231) and the short air outlet pipe mechanism (232) are arranged on the aeration pipe (22) at intervals.
7. The spray oxygenation system of an subsurface constructed wetland according to claim 6, characterised in that the elongated air outlet pipe mechanism (231) comprises a plurality of elongated air outlet pipe units (2311), and the elongated air outlet pipe units (2311) are circumferentially arranged on the aeration pipe (22) at equal intervals.
8. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 6, characterized in that the short outlet pipe mechanism (232) comprises a plurality of short outlet pipe units (2321), and the short outlet pipe units (2321) are circumferentially arranged on the aeration pipe (22) at equal intervals.
9. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 7 or 8, characterized in that the diameter of the long air outlet pipe unit (2311) is larger than that of the short air outlet pipe unit (2321).
10. The spray oxygen increasing system of the subsurface flow constructed wetland according to claim 7 or 8, characterized in that the length of the long air outlet pipe unit (2311) is greater than that of the short air outlet pipe unit (2321).
CN202010211065.6A 2020-03-24 2020-03-24 Spraying and oxygen increasing system of subsurface flow constructed wetland Pending CN111559800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010211065.6A CN111559800A (en) 2020-03-24 2020-03-24 Spraying and oxygen increasing system of subsurface flow constructed wetland

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010211065.6A CN111559800A (en) 2020-03-24 2020-03-24 Spraying and oxygen increasing system of subsurface flow constructed wetland

Publications (1)

Publication Number Publication Date
CN111559800A true CN111559800A (en) 2020-08-21

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ID=72069880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010211065.6A Pending CN111559800A (en) 2020-03-24 2020-03-24 Spraying and oxygen increasing system of subsurface flow constructed wetland

Country Status (1)

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CN (1) CN111559800A (en)

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