CN104310589A - Water reusing device and method based on integrated vertical-flow constructed wetland - Google Patents

Water reusing device and method based on integrated vertical-flow constructed wetland Download PDF

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Publication number
CN104310589A
CN104310589A CN201410564121.9A CN201410564121A CN104310589A CN 104310589 A CN104310589 A CN 104310589A CN 201410564121 A CN201410564121 A CN 201410564121A CN 104310589 A CN104310589 A CN 104310589A
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CN
China
Prior art keywords
water
wetland
water tank
tank
layer
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Pending
Application number
CN201410564121.9A
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Chinese (zh)
Inventor
熊旭华
钱世奇
肖毅强
曹祖略
敬丹丹
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201410564121.9A priority Critical patent/CN104310589A/en
Publication of CN104310589A publication Critical patent/CN104310589A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/301Aerobic and anaerobic treatment in the same reactor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a water reusing device and method based on an integrated vertical-flow constructed wetland. The water reusing device comprises a constructed wetland, wherein one side of the constructed wetland is provided with a regulation water box and a water storage box from top to bottom, and the other side of the constructed wetland is provided with a clear water box; the constructed wetland sequentially consists of a vegetation layer, a crushed rock layer, a soil layer, a mixed layer of furnace slag and limestone, a sand particle layer and a crushed rock layer from top to bottom; a water distribution tube is connected between the regulation water box and the soil layer; a flow passage hole is formed in the bottom of each crushed rock layer. The water reusing device collects rainwater and domestic wastewater by virtue of a gravity flow without needing to use a water pump and the like to provide additional powder, and thus energy is saved. According to the water reusing device disclosed by the invention, a small-sized aerator can be arranged in the regulation water box and can provide oxygen for subsequent constructed wetland unit treatment according to the needs for water quality, and thus aerobic reaction and facultative reaction are realized, and removal of nitrogen and phosphorus is promoted. Meanwhile, with the adoption of the water reusing device, influences on water treatment caused by water quality fluctuation and weather variation are overcome, and thus effluent effect is ensured.

Description

A kind of based on composite vertical current artificial wetland water recycling device and method
Technical field
The present invention relates to the single-apartment Treated sewage reusing device of artificial swamp, particularly relate to a kind of based on composite vertical current artificial wetland water recycling device and method.
Background technology
Along with the economic growth and social progress of China, the requirement of people to living environment improves constantly, and in recent years, ecological residence, the theory of green building is wide-spread, embodies all to some extent at home in many developments.Its design concept is that residential quarters not only will possess inhabitation function, will provide pleasing, the landscape environment of contributing to one's peace of mind of inner tranquility for resident simultaneously, and in the construction requiring community and use procedure, realizes the recycling of resource and the energy, then save, and reclaims and circulation.Residential quarters usually use water scenery environmental protect on view, and the requirement of people to water scenery has driven the consumption of water resources.But China is the country that a water resources is poor, and government advocates Constructing Water-saved Society always.This just has higher requirement to the Water Environment System of house, not only will consider the view of water surrounding, will realize water resources recycle and the water pollution control of house simultaneously.
Treated sewage reusing from last century the fifties start application abroad, become the important channel solving shortage of water resources and pollution, obtained in the many cities of China and promote the use of.The technique that current Treated sewage reusing adopts mainly comprises grid, coagulating sedimentation, the process such as biochemical treatment and filtration, and need to build treatment facility separately, not only cost is high, and floor space is large, and maintenance management bothers, and is not suitable for the single-family homes that inhabitation number is few.
At present, artificial swamp has that to build maintenance cost low, and energy consumption is low, and operating performance is reliable, and management is simple, the advantage that landscape effect is good.But simultaneously also Shortcomings part, as floor space is large, the restriction of climate condition is large, and easily produce alluvial, latch up phenomenon, particular type wetland also can grow mosquitos and flies.
Summary of the invention
Large in order to overcome existing artificial wet land system floor space, be not suitable for distributing single-family homes, hydraulics is not good, and wetland bed utilising efficiency is low, easy blocking, the problem that the clearance of nitrogen phosphorus is lower, provides a kind of based on composite vertical current artificial wetland water recycling device and method, can not only increase wetland bed utilising efficiency, and decrease blocking, improve the processing efficiency of middle water, reach to reduce and take up an area, be applicable to the object of distributing single-family homes.
The present invention is achieved through the following technical solutions:
A kind of based on composite vertical current artificial wetland water recycling device, comprise artificial swamp (10), the side of artificial swamp (10) is provided with regulating tank (8), water tank (6) from top to bottom, and the opposite side of artificial swamp (10) is provided with filtered water tank (15);
Described artificial swamp comprises from top to bottom successively: vegetable layer (19), metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24);
Water distributor (9) is connected with between described regulating tank (8) and pedosphere (21);
Described metalling (24) bottom is provided with flowing hole (11).
Be provided with disinfection by ultraviolet light groove (14) in described filtered water tank (15), between artificial swamp (10) and disinfection by ultraviolet light groove (14), be provided with wetland effluent pipe (13).
The middle part of artificial swamp (10) is provided with training wall (12), and artificial swamp (10) is divided into two pieces of wetland units by training wall (12), and there is a flowing hole (11) training wall (12) below.
Place pump group (7) in described regulating tank (8), this pump group (7) is made up of water pump and aerator.
The upper side wall of described water tank (6) is provided with rainwater and sanitary sewage water inlet pipe (1), upflow tube (2) and one prevent suspended particulate from entering screen cloth (5) in water tank (6).
Regulating tank (8) is also provided with the regulating tank blow-down pipe (3) for its internal water accumulation of emptying.
The upper side wall of described filtered water tank (15) is provided with filtered water tank filling pipe (16) and filtered water tank rising pipe (17), and lower wall is provided with the filtered water tank blow-down pipe (18) for its internal water accumulation of emptying.
Adopt the above-mentioned water return method based on composite vertical current artificial wetland water recycling device as follows:
Rainwater and sanitary sewage enter water tank (6) by after screen cloth (5) filtering suspended particulate after being collected by rainwater and sanitary sewage water inlet pipe (1), water in water tank (6) by hydraulic pressure effect enter top regulating tank (8) in and pressurizeed by the water pump of pump group (7), pedosphere (21) is entered again by water distributor (9), then vegetable layer (19) is infiltrated from top to bottom successively, metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24), flowing hole (11) eventually through training wall (12) below removes water pollutant, and realize upward flow and lower replacing to stream, upper and lower water layer is made to be able to hybrid switching, change the flow condition of Traditional Man wetland.
After the water entering artificial swamp (10) is cleaned, after being introduced into disinfection by ultraviolet light groove (14) sterilization by wetland effluent pipe (13), enter filtered water tank (15).
The present invention, relative to prior art, has following advantage and effect:
(1) apparatus design is compact, and floor space is little, and processing efficiency is high.Be designed to 1.8 cubes.Sewage average day, generation was 200L, maximum day generation be 0.9-1m3, getting peaking variation factor is 2.3, then artificial swamp pond processing power is 0.5m3/d.
(2) can be combined well with house itself, not only realize treatment in situ and the recycling of separate house waste water, water saving, improve the utilization ratio of water, and played landscape value.The distributing design of single-apartment simultaneously can save the huge investment of pipe network in Sewage treatment systems, applied widely.
(3) current have downstream, up stream, upper and lower water layer is made to be able to hybrid switching, change the hydraulics of Traditional Man wetland, increase the flowing tortuosity of current in wetland bed, extend sewage flow process, add the duration of contact of sewage and matrix, also can prevent wetland bed interior " short flow phenomenon " simultaneously, improve wetland bed utilising efficiency.
(4) have employed the higher slag (blast furnace slag) of tp removal rate and Wingdale matrix packed bed body, different gradation according to each filler configures, the porosity of a body can be made to improve, prevent the blockage problem of wetland, achieve again the efficient removal of phosphorus.Adopt blast furnace slag-Wingdale mixolimnion, compared to common soil, sandstone, has better Nitrogen/Phosphorus Removal.According to water quality needs, can aeration aerating in regulating tank, be combined with follow-up artificial wetland treatment unit, realize the reaction of aerobic and double oxygen, remove nitrogen, phosphorus further.
(5) device relies on run by gravity to collect rainwater and sanitary wastewater, does not need to use water pump etc. to provide extra power, saves the energy.
(6) in regulating tank, small-sized aerator can be set, according to water quality needs, can be the process of subsequent artefacts's wetland unit and oxygen is provided, realize the reaction of aerobic and double oxygen, facilitate the removal of nitrogen, phosphorus.Overcome variation water quality and Changes in weather simultaneously and bring impact on sewerage disposing, ensure outlet effect.
(7) by the design of training wall, current realize upward flow alternately and lower to stream, and upper and lower water layer is exchanged mixing, improves the hydraulics of traditional wetland, improves wetland bed utilization ratio.Finally enter filtered water tank, by bacterium and virus in apparatus for ultraviolet disinfection killing water wherein, effluent quality meets the reuse water Water Quality Control Indexes of urban reclaimed water water quality standard and water for scenic environment use.
This device, in less floor space, with compact unit design, realizes the collection of sanitary wastewater and rainwater, process and reuse.Artificial swamp is divided into two by training wall, realize upward flow alternately and lower to stream by the flowing hole of bottom, fully contact between current with filler, extend the duration of contact of storm wastewater and matrix, add wetland bed producing level, improve sewerage disposing efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is Fig. 1 artificial swamp structural representation
Embodiment
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figure 1, 2.The present invention is a kind of based on composite vertical current artificial wetland water recycling device, comprise artificial swamp (10), the side of artificial swamp (10) is provided with regulating tank (8), water tank (6) from top to bottom, and the opposite side of artificial swamp (10) is provided with filtered water tank (15);
Described artificial swamp comprises from top to bottom successively: vegetable layer (19), metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24); By plant absorption wherein, microbiological deterioration, physical adsorption, water pollutant is removed in the physical chemistry such as physical filtering and precipitation and biological combined action.
Slag adopts blast furnace slag, and grains of sand layer (23) can adopt coarse sand, and effect is to prevent the blast furnace slag on slag and Wingdale mixolimnion (22) and limestone particle to drop blocking filler.
The vegetation of vegetable layer (19), main employing reed that is perennial, that comparatively resist cold, cattail.Single reed, or reed cattail miscegenation.
Water distributor (9) is connected with between described regulating tank (8) and pedosphere (21);
Described metalling (24) bottom is provided with flowing hole (11).
Be provided with disinfection by ultraviolet light groove (14) in described filtered water tank (15), between artificial swamp (10) and disinfection by ultraviolet light groove (14), be provided with wetland effluent pipe (13).
The middle part of described artificial swamp (10) is provided with training wall (12), artificial swamp (10) is divided into two pieces of wetland units by training wall (12), and there is a flowing hole (11) training wall (12) below.Flowing hole (11) depth-width ratio of training wall (12) below is 3:7.
Place pump group (7) in described regulating tank (8), this pump group (7) is made up of water pump and aerator.
The upper side wall of described water tank (6) is provided with rainwater and sanitary sewage water inlet pipe (1), upflow tube (2) and one prevent suspended particulate from entering screen cloth (5) in water tank (6).
Regulating tank (8) is also provided with the regulating tank blow-down pipe (3) for its internal water accumulation of emptying.
The upper side wall of described filtered water tank (15) is provided with filtered water tank filling pipe (16) and filtered water tank rising pipe (17), and lower wall is provided with the filtered water tank blow-down pipe (18) for its internal water accumulation of emptying.
Adopt the above-mentioned water return method based on composite vertical current artificial wetland water recycling device as follows:
Rainwater and sanitary sewage enter water tank (6) by after screen cloth (5) filtering suspended particulate after being collected by rainwater and sanitary sewage water inlet pipe (1), water in water tank (6) by hydraulic pressure effect enter top regulating tank (8) in and pressurizeed by the water pump of pump group (7), pedosphere (21) is entered again by water distributor (9), then vegetable layer (19) is infiltrated from top to bottom successively, metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24), flowing hole (11) eventually through training wall (12) below removes water pollutant, and realize upward flow and lower replacing to stream, upper and lower water layer is made to be able to hybrid switching, change the flow condition of Traditional Man wetland.
After the water entering artificial swamp (10) is cleaned, after being introduced into disinfection by ultraviolet light groove (14) sterilization by wetland effluent pipe (13), enter filtered water tank (15).
Under normal weather, the daily handling ability of artificial swamp (10) is 0.2m3, and the residence time is 2 days; Rainstorm weather, daily handling ability reaches 0.5m3, and the residence time is 1 day.Under rainstorm weather, by the diluting effect of a large amount of rainwater, sewage quality is more clean, and 1 day residence time can meet qualified discharge.
Middle water after being purified enters the disinfection by ultraviolet light groove (14) in filtered water tank (15) by 4 wetland effluent pipes (13).Disinfection by ultraviolet light groove (14) is provided with small-sized apparatus for ultraviolet disinfection, and centering water carries out disinfection sterilizing.Middle water water quality now has met the reuse water Water Quality Control Indexes of urban reclaimed water water quality standard and water for scenic environment use.
Middle water in disinfection by ultraviolet light groove (14) enters in filtered water tank (15) by the flowing hole on it, and its designed size is 1m3 (1m × 1m × 1m).Middle water in filtered water tank (15) is gone out, as landscape water by filtered water tank rising pipe (17) overflow on it.In addition when rainstorm weather, due to the diluting effect of heavy rain, water quality is better, can combine retaining with regulating tank (8).Filtered water tank (15) is upper also has filtered water tank blow-down pipe (18), overhauls for filtered water tank (15).
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from spirit of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (9)

1. one kind based on composite vertical current artificial wetland water recycling device, it is characterized in that: comprise artificial swamp (10), the side of artificial swamp (10) is provided with regulating tank (8), water tank (6) from top to bottom, and the opposite side of artificial swamp (10) is provided with filtered water tank (15);
Described artificial swamp comprises from top to bottom successively: vegetable layer (19), metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24);
Water distributor (9) is connected with between described regulating tank (8) and pedosphere (21);
Described metalling (24) bottom is provided with flowing hole (11).
2. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: in described filtered water tank (15), be provided with disinfection by ultraviolet light groove (14), between artificial swamp (10) and disinfection by ultraviolet light groove (14), be provided with wetland effluent pipe (13).
3. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: the middle part of artificial swamp (10) is provided with training wall (12), artificial swamp (10) is divided into two pieces of wetland units by training wall (12), and there is a flowing hole (11) training wall (12) below.
4. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: place pump group (7) in described regulating tank (8), this pump group (7) is made up of water pump and aerator.
5. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: the upper side wall of described water tank (6) is provided with rainwater and sanitary sewage water inlet pipe (1), upflow tube (2) and one prevent suspended particulate from entering screen cloth (5) in water tank (6).
6. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: regulating tank (8) is also provided with the regulating tank blow-down pipe (3) for its internal water accumulation of emptying.
7. according to claim 1 based on composite vertical current artificial wetland water recycling device, it is characterized in that: the upper side wall of described filtered water tank (15) is provided with filtered water tank filling pipe (16) and filtered water tank rising pipe (17), and lower wall is provided with the filtered water tank blow-down pipe (18) for its internal water accumulation of emptying.
8. adopt the water return method based on composite vertical current artificial wetland water recycling device according to any one of claim 1 to 7, it is characterized in that comprising the steps:
Rainwater and sanitary sewage enter water tank (6) by after screen cloth (5) filtering suspended particulate after being collected by rainwater and sanitary sewage water inlet pipe (1), water in water tank (6) by hydraulic pressure effect enter top regulating tank (8) in and pressurizeed by the water pump of pump group (7), pedosphere (21) is entered again by water distributor (9), then vegetable layer (19) is infiltrated from top to bottom successively, metalling (20), pedosphere (21), slag and Wingdale mixolimnion (22), grains of sand layer (23), metalling (24), flowing hole (11) eventually through training wall (12) below removes water pollutant, and realize upward flow and lower replacing to stream, upper and lower water layer is made to be able to hybrid switching, change the flow condition of Traditional Man wetland.
9. water return method according to claim 8, it is characterized in that: after the water entering artificial swamp (10) is cleaned, after being introduced into disinfection by ultraviolet light groove (14) sterilization by wetland effluent pipe (13), enter filtered water tank (15).
CN201410564121.9A 2014-10-21 2014-10-21 Water reusing device and method based on integrated vertical-flow constructed wetland Pending CN104310589A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105174484A (en) * 2015-10-30 2015-12-23 武汉中科水生环境工程股份有限公司 Invisible ecological filter tank system and method for collecting and reusing initial rainwater
CN105540856A (en) * 2015-12-30 2016-05-04 天津市雷鸣生态科技有限公司 Artificial wetland sewage treatment method
CN105601042A (en) * 2016-01-15 2016-05-25 上海秦森园林股份有限公司 Compound pollutant comprehensive treatment system with ecological vegetation trenches
CN109851165A (en) * 2019-01-28 2019-06-07 西安科技大学 A kind of small-scale waste water treatment for reuse integration afforestation equipment and method

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105174484A (en) * 2015-10-30 2015-12-23 武汉中科水生环境工程股份有限公司 Invisible ecological filter tank system and method for collecting and reusing initial rainwater
CN105174484B (en) * 2015-10-30 2017-08-08 武汉中科水生环境工程股份有限公司 The stealthy ecological filter tank system and method for reuse are collected for early-stage rainwater
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CN105601042A (en) * 2016-01-15 2016-05-25 上海秦森园林股份有限公司 Compound pollutant comprehensive treatment system with ecological vegetation trenches
CN109851165A (en) * 2019-01-28 2019-06-07 西安科技大学 A kind of small-scale waste water treatment for reuse integration afforestation equipment and method

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Application publication date: 20150128