CN104086059B - A kind of artificial wet land system - Google Patents

A kind of artificial wet land system Download PDF

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CN104086059B
CN104086059B CN201410375828.5A CN201410375828A CN104086059B CN 104086059 B CN104086059 B CN 104086059B CN 201410375828 A CN201410375828 A CN 201410375828A CN 104086059 B CN104086059 B CN 104086059B
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immobilized microorganism
artificial
layer
water
wet land
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CN104086059A (en
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汪浩
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Guowei Environmental Engineering Co ltd
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Abstract

The invention discloses a kind of artificial wet land system, comprise artificial swamp pond, suction culvert, aerating apparatus, water unit and immobilized microorganism plate, totally 5 layers from top to bottom, artificial swamp pond, is followed successively by: sandy soils, sand stone layer, immobilized microorganism layer, artificial mixed-matrix layer and gravel bed; Gravel bed is provided with the suction culvert be made up of water inlet pipe and water distribution branch pipe; Immobilized microorganism layer is provided with immobilized microorganism plate, is provided with aerating apparatus on the downside of immobilized microorganism plate, arranges woven wire between immobilized microorganism layer and sand stone layer; Water unit is made up of posticum, water leg and water leg water shoot; Artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier; Sandy soils plants cattail.The present invention has following advantage: microbial method and artificial swamp are organically combined and effectively improve wastewater treatment efficiency.

Description

A kind of artificial wet land system
Technical field
The present invention relates to sewage treatment area, more specifically to a kind of artificial wet land system.
Background technology
Artificial swamp is a kind of Novel sewage treatment process that 20 century 70s grow up, and he utilizes the triple synergy of the physics in natural system, chemistry and biology to realize dirty water purification.Constructed wetland waste water treatment technology has that treatment effect is good, removal efficiency of nitrogen and phosphorus is high, during-operation service is convenient, engineering capital construction and the advantage such as running expense is low, is thus widely applied to sanitary sewage disposal, Industrial Waste Water Treatments with, mine and oil production, agriculture point source and pollution of area source and body eutrophication issue handling.
Traditional activated sludge process is applied widely in sewage disposal, main because containing a large amount of living microorganisms in active sludge, these microorganisms fast and effeciently can remove the organism in sewage, and have good Nitrogen/Phosphorus Removal, but traditional activated sludge process mud is blended in sewage and is in a kind of fluidised form.At present, immobilized microorganism technology is obtained pay close attention to widely both at home and abroad, as the patent No. is: describe a kind of immobilized microorganism preparation method in 200910056687.X patent specification; Immobilized microorganism principal character is that Microorganism incubation becomes a kind of solid-state, is placed in sewage and has fixing shape, and microorganism not loss of activity, there is good wastewater treatment efficiency.
Artificial swamp is longer compared to other traditional sewage treatment process hydraulic detention times at sewage treatment process, other objectionable impuritiess such as the organism in the sewage of artificial swamp, nitrogen phosphorus are removed mainly through the adsorption of filtrate, a small amount of microorganism can be adsorbed in filtrate gap, microorganism is by the organism in self-acting removal sewage and nitrogen phosphorus, but the less therefore microbial process of the content of microorganisms in filtrate is limited, excessive free state microorganism easily causes filter clogging.
Immobilized microorganism is mainly applied in artificial wet land system by the present invention, increases microbial process effect, simultaneously because microorganism is in immobilized state, therefore not easily causes artificial swamp to block, and improves the wastewater treatment efficiency of artificial swamp entirety.
Summary of the invention
The object of the invention is to, a kind of artificial wet land system is provided.Adopt this device effectively can improve the wastewater treatment efficiency of artificial swamp; For achieving the above object, present invention employs following technical scheme:
A kind of artificial wet land system, comprise artificial swamp pond, suction culvert, aerating apparatus and water unit, also comprise immobilized microorganism plate, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: sandy soils, sand stone layer, immobilized microorganism layer, artificial mixed-matrix layer and gravel bed; Described gravel bed is provided with the suction culvert be made up of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, water inlet pipe is provided with Liquid valve and liquid meter; Described immobilized microorganism layer is provided with immobilized microorganism plate, the aerating apparatus be made up of aeration house steward and aeration branch pipe is installed on the downside of immobilized microorganism plate, aeration house steward is through pool wall, aeration house steward is provided with gas valve and gas meter, between immobilized microorganism layer and sand stone layer, woven wire is set; Described water unit is made up of posticum, water leg and water leg water shoot, and water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposes; Described artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier; Described sandy soils plants cattail.
Described immobilized microorganism plate is put in template by active sludge by mixing with chemical agent, is fixed in template after active sludge is dry; Immobilized microorganism plate thickness is 6cm ~ 8cm, and long is 45cm ~ 65cm, and wide is 25cm ~ 45cm; Immobilized microorganism plate is provided with 4 fixing feet.
Described immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, and immobilized microorganism layer is 30cm ~ 35cm.
Described gravel bed from lower to upper grain size of gravel diminishes successively, and lowest layer grain size of gravel is 3cm ~ 3.5cm, and gravel bed the superiors grain size of gravel is 1cm ~ 1.5cm, and gravel bed height is 30cm ~ 35cm.
Described artificial mixed-matrix layer adopts the by volume 1.5:1 mixing of cinder and zeolite, and particle diameter is 8mm ~ 10mm, and artificial mixed-matrix layer height is 30cm ~ 35cm.
Described sand stone layer, particle diameter is 3mm ~ 7mm, is highly 20cm ~ 25cm.
5cm ~ 12cm at the bottom of the described suction culvert be made up of water distribution branch pipe and water inlet pipe distance artificial swamp pond.
Described woven wire is connected by bayonet socket and draw-in groove with pool wall in artificial swamp pond, and woven wire mesh aperture is less than 3mm.
Described water inlet pipe, water distribution branch pipe, aeration house steward and aeration branch pipe all adopt pvc pipe.
The present invention has following advantage: microbial method and artificial swamp are organically combined, strengthen the effect of microorganism in artificial swamp, and effectively improve wastewater treatment efficiency, floor space is little, and cost of investment is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional view of the present invention;
Fig. 3 is B-B sectional view of the present invention;
Fig. 4 is C-C sectional view of the present invention;
Fig. 5 is D-D sectional view of the present invention;
Fig. 6 is E of the present invention, i.e. woven wire junction, enlarged view.
Wherein, 1, artificial swamp pond; 2, sandstone; 3, artificial mixed-matrix; 4, woven wire; 5, immobilized microorganism plate; 6, gravel; 7, water leg; 8, water leg water shoot; 9, posticum; 10-a, aeration house steward; 10-b, water inlet pipe; 11-a, gas valve; 11-b, Liquid valve; 12-a, gas meter; 12-b, liquid meter; 13-a, aeration branch pipe; 13-b, water distribution branch pipe; 14, sandy soil; 15, cattail; 16, bayonet socket; 17, draw-in groove.
Embodiment
With the drawings and specific embodiments, the present invention is further detailed explanation below:
As shown in Fig. 1-4, a kind of artificial wet land system, comprise artificial swamp pond 1, suction culvert, aerating apparatus and water unit, also comprise immobilized microorganism plate 5, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: sandy soils, sand stone layer, immobilized microorganism layer, artificial mixed-matrix layer and gravel bed; Gravel bed is provided with the suction culvert be made up of water inlet pipe 10-b and water distribution branch pipe 13-b, and water inlet pipe 10-b, through pool wall, water inlet pipe 10-b is provided with Liquid valve 11-b and liquid meter 12-b; Water inlet pipe 10-b is connected with source of sewage water, and sewage controls flooding velocity by water inlet pipe 10-b by Liquid valve 11-b and liquid meter 12-b, is evenly distributed on pond from water distribution branch pipe 13-b; Immobilized microorganism layer is provided with immobilized microorganism plate 5, the aerating apparatus be made up of aeration house steward 10-a and aeration branch pipe 13-a is installed on the downside of immobilized microorganism plate 5, aeration house steward 10-a is through pool wall, aeration house steward 10-a is provided with gas valve 11-a and gas meter 12-a, aeration house steward 10-a and aerogenesis apparatus are by managing to being connected, and gas meter 12-a and gas valve 11-a can control aeration rate; Woven wire 4 is set between immobilized microorganism layer and sand stone layer, mainly sandstone 2 and immobilized microorganism plate 5 is separated; Water unit is made up of posticum 9, water leg 7 and water leg water shoot 8, water unit is arranged on upper end, artificial swamp pond and water inlet pipe 10-b place pool wall opposes, sewage flowed out by water distribution branch pipe 13-b filtered by gravel 6 successively, artificial mixed-matrix 3 filters, microorganism aerobic process, sandstone 2 flow out to water leg 7 from posticum 9 after filtering, flow out from the water leg water shoot 8 water leg 7 again, realize the treating processes of whole device; Artificial swamp pond 1 adopts steel and concrete structure to build, sound construction, and pond body internal side wall and bottom surface arrange impervious barrier, prevents the raw seepage of time long hair; Sand 14 is planted cattail 15.
Wherein, Immobilized microorganism plate 5 is put in template by active sludge by mixing with chemical agent, is fixed in template after active sludge is dry; Immobilized microorganism plate 5 thickness is 6cm ~ 8cm, and long is 45cm ~ 65cm, and wide is 25cm ~ 45cm; Immobilized microorganism plate is provided with 4 fixing feet, is convenient to be fixedly connected with pond body.In pond, immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate 5, and immobilized microorganism layer height is 30cm ~ 35cm.
Gravel bed from lower to upper grain size of gravel diminishes successively, and lowest layer gravel 6 particle diameter is 3cm ~ 3.5cm, and gravel bed the superiors gravel 6 particle diameter is 1cm ~ 1.5cm, and gravel bed height is 30cm ~ 35cm.
Artificial mixed-matrix layer adopts the by volume 1.5:1 mixing of cinder and zeolite, and particle diameter is 8mm ~ 10mm, and artificial mixed-matrix layer height is 30cm ~ 35cm.
Sand stone layer, particle diameter is 3mm ~ 7mm, is highly 20cm ~ 25cm.
As shown in Figure 6, described woven wire 4 is connected by bayonet socket 16 and draw-in groove 17 with pool wall in artificial swamp pond 1, and woven wire 4 mesh aperture is less than 3mm, prevents sandstone 2 from spilling.
Suction culvert as shown in Figure 5, wherein; The suction culvert be made up of water distribution branch pipe 13-b and water inlet pipe 10-b is high bottom artificial swamp pond 1 is 5cm ~ 12cm.Wherein, water inlet pipe 10-b, water distribution branch pipe 13-b, aeration house steward 10-a and aeration branch pipe 13-a all adopt pvc pipe.
Embodiment
In a preferred embodiment, the long 1.5m of artificial swamp pond body, wide 1.2m, high 1.2m; The gravel gravel thickness 30cm of 3cm ~ 3.5cm selected by gravel bed bottom, and suction culvert is arranged in gravel bed, 5cm at the bottom of suction culvert distance pond, and the gravel of 1cm ~ 1.5cm is selected at gravel bed top; The artificial mixed-matrix of artificial mixed-matrix layer selects 8mm ~ 10mm, artificial mixed-matrix thickness 30cm, and sandstone selects particle diameter to be 3mm ~ 7mm, sandstone thickness 20cm, and sandy soil thickness 10cm, sandy soils plants cattail; Immobilized microorganism layer installs 2 layers of immobilized microorganism plate up and down altogether, install 4 pieces for every layer, every block immobilized microorganism board size: long × wide × high: 45cm × 25cm × 6cm, aerating apparatus is arranged on artificial substratum mixolimnion upper end, immobilized microorganism plate lower end, and aeration branch pipe adopts micro-pore aeration; Flooding quantity is 0.1m 3/ h, aeration rate is 0.5 ~ 0.8m 3/ h, hydraulic detention time is about 20h.
Once form is carry out sewage disposal to this embodiment to detect the experimental data drawn:
Can be found by upper table: artificial wetland effluent water quality is highly stable, TN clearance reaches more than 60%, other kinds pollutants removal rate all can reach more than 80% clearance, reaches one-level emission standard A in " municipal sewage plant's pollutant emission standard " (GB18918-2002).

Claims (9)

1. an artificial wet land system, comprise artificial swamp pond, suction culvert, aerating apparatus and water unit, it is characterized in that, also comprise immobilized microorganism plate, totally 5 layers from top to bottom, described artificial swamp pond, is followed successively by: sandy soils, sand stone layer, immobilized microorganism layer, artificial mixed-matrix layer and gravel bed; Described gravel bed is provided with the suction culvert be made up of water inlet pipe and water distribution branch pipe, and water inlet pipe, through pool wall, water inlet pipe is provided with Liquid valve and liquid meter; Described immobilized microorganism layer is provided with immobilized microorganism plate, the aerating apparatus be made up of aeration house steward and aeration branch pipe is installed on the downside of immobilized microorganism plate, aeration house steward is through pool wall, aeration house steward is provided with gas valve and gas meter, between immobilized microorganism layer and sand stone layer, woven wire is set; Described water unit is made up of posticum, water leg and water leg water shoot, and water unit is arranged on upper end, artificial swamp pond and water inlet pipe place pool wall opposes; Described artificial swamp pond adopts steel and concrete structure to build, and pond body internal side wall and bottom surface arrange impervious barrier; Described sandy soils plants cattail.
2. a kind of artificial wet land system according to claim 1, is characterized in that, described immobilized microorganism plate is put in template by active sludge by mixing with chemical agent, is fixed in template after active sludge is dry; Immobilized microorganism plate thickness is 6cm ~ 8cm, and long is 45cm ~ 65cm, and wide is 25cm ~ 45cm; Immobilized microorganism plate is provided with 4 fixing feet.
3. a kind of artificial wet land system according to claim 1 and 2, is characterized in that, described immobilized microorganism layer vertical direction installs 2 ~ 3 layers of immobilized microorganism plate, and immobilized microorganism layer is 30cm ~ 35cm.
4. a kind of artificial wet land system according to claim 1 and 2, it is characterized in that, described gravel bed from lower to upper grain size of gravel diminishes successively, and lowest layer grain size of gravel is 3cm ~ 3.5cm, gravel bed the superiors grain size of gravel is 1cm ~ 1.5cm, and gravel bed height is 30cm ~ 35cm.
5. a kind of artificial wet land system according to claim 1 and 2, is characterized in that, described artificial mixed-matrix layer adopts the by volume 1.5:1 mixing of cinder and zeolite, and particle diameter is 8mm ~ 10mm, and artificial mixed-matrix layer height is 30cm ~ 35cm.
6. a kind of artificial wet land system according to claim 1 and 2, is characterized in that, described sand stone layer, and particle diameter is 3mm ~ 7mm, is highly 20cm ~ 25cm.
7. a kind of artificial wet land system according to claim 1 and 2, is characterized in that, 5cm ~ 12cm at the bottom of the described suction culvert be made up of water distribution branch pipe and water inlet pipe distance artificial swamp pond.
8. a kind of artificial wet land system according to claim 1, is characterized in that, described woven wire is connected by bayonet socket and draw-in groove with pool wall in artificial swamp pond, and woven wire mesh aperture is less than 3mm.
9. a kind of artificial wet land system according to claim 7, is characterized in that, described water inlet pipe, water distribution branch pipe, aeration house steward and aeration branch pipe all adopt pvc pipe.
CN201410375828.5A 2014-08-01 2014-08-01 A kind of artificial wet land system Active CN104086059B (en)

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CN104829064B (en) * 2015-05-15 2016-11-30 浙江海洋学院 A kind of artificial wet land system
CN106745760A (en) * 2017-02-14 2017-05-31 杜高新 A kind of Constructed Wetland For Purifying filtration system

Citations (5)

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CN102126791A (en) * 2011-01-30 2011-07-20 河海大学 Anti-plugging method and device of constructed wetland
CN103274530A (en) * 2013-06-19 2013-09-04 中国环境科学研究院 Zonal vertical current artificial wetland system with reinforced denitrification function
CN103466800A (en) * 2013-09-25 2013-12-25 山东大学 Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof
CN103708622A (en) * 2014-01-02 2014-04-09 东华大学 Microbial fuel cell constructed wetland for efficiently treating organic sewage
CN103819004A (en) * 2014-03-07 2014-05-28 深圳市万信达生态环境股份有限公司 Movable and combined subsurface constructed wetland device and method

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US8303816B2 (en) * 2011-08-22 2012-11-06 Modular Wetland Systems, Inc. Wetland biofilter chamber with peripheral catch basin and method of use thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102126791A (en) * 2011-01-30 2011-07-20 河海大学 Anti-plugging method and device of constructed wetland
CN103274530A (en) * 2013-06-19 2013-09-04 中国环境科学研究院 Zonal vertical current artificial wetland system with reinforced denitrification function
CN103466800A (en) * 2013-09-25 2013-12-25 山东大学 Quasi-ecological corbicula fluminea surface-flow constructed wetland and operating method thereof
CN103708622A (en) * 2014-01-02 2014-04-09 东华大学 Microbial fuel cell constructed wetland for efficiently treating organic sewage
CN103819004A (en) * 2014-03-07 2014-05-28 深圳市万信达生态环境股份有限公司 Movable and combined subsurface constructed wetland device and method

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Address before: 246000 Anhui Province, Anqing City Yingjiang District Wanjiang Avenue Yingjiang Century City - sail agency 2 seventeen storey 12 room

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Address after: Bamboo high tech Development Zone in Henan province 450000 Zhengzhou Street No. 1 building 30 corporate headquarters base

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Address before: 450000 building 30, enterprise headquarters base, No.1, Cuizhu street, high tech Development Zone, Zhengzhou City, Henan Province

Patentee before: BFUTURE METAL Group Ltd.