CN102531185B - Variable flow constructed wetland provided with winter temperature maintaining and raising device - Google Patents

Variable flow constructed wetland provided with winter temperature maintaining and raising device Download PDF

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Publication number
CN102531185B
CN102531185B CN2012100044212A CN201210004421A CN102531185B CN 102531185 B CN102531185 B CN 102531185B CN 2012100044212 A CN2012100044212 A CN 2012100044212A CN 201210004421 A CN201210004421 A CN 201210004421A CN 102531185 B CN102531185 B CN 102531185B
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China
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water
pipe
filler
sections
fillers
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CN2012100044212A
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Chinese (zh)
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CN102531185A (en
Inventor
席北斗
张列宇
王锦彪
夏训峰
霍守亮
何连生
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中国环境科学研究院
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    • 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
    • Y02W10/18Constructed wetlands

Abstract

The invention discloses a winter temperature maintaining and raising device for a constructed wetland. The main structure of the device is that: three sections of fillers are vertically and parallelly filled in the constructed wetland, the tops of the three sections of fillers are provided with a water distribution pipe, the bottoms of the three sections of fillers are provided with a water receiving pipe, and a water outlet of the water receiving pipe and the tops of the fillers are at the same height; the upper part of one end of the three sections of fillers is connected with a water inletpipe, the lower part of the other end of the three sections of fillers is connected with a water outlet pipe, and a water outlet of the water outlet pipe and the tops of the fillers are at the same height; the water distribution pipe and the water inlet pipe are connected to a high-position water tank respectively; when water flows into the water distribution pipe, the water is discharged from the water outlet of the water receiving pipe, and the water inlet pipe and the water outlet pipe are closed; and when the water flows into the water inlet pipe, the water is discharged from the water outlet of the water outlet pipe, and the water distribution pipe and the water receiving pipe are closed. A guardrail at the periphery of the constructed wetland is double walls, and organic matter for fermenting to produce heat is filled inside the double walls. The temperature of the wetland is maintained and raised by the heat produced by microbial metabolism in a double wall structure; and the disadvantages that the content of dissolved oxygen of influent of a horizontal flow wetland is low in summer and a vertical flow wetland is high in heat loss in winter are overcome.

Description

A kind of variable artificial wetland that is provided with the Winter protection heating device

Technical field

The present invention relates to a kind of attemperator, be specifically related to a kind of variable artificial wetland that is provided with the Winter protection heating device.

Background technology

Artificial swamp is as a kind of ecological type sewage disposal technology of economical and efficient, and its application is more and more extensive.Through nearly 50 years development, the U.S. is existing more than 10000 at present, and existing more than 800 artificial swamps of Denmark are used for disposing of sewage.But artificial swamp is subjected to the factor affecting such as season, temperature larger, and the season that the removal of pollutants rate is higher than temperature during winter low temperature is low, and particularly the pollutent such as N, P has affected its in the winter time promoting the use of of low temp area.In recent years, Chinese scholars has been carried out the in the winter time research of low temp area insulation of artificial swamp.Such as mulch film insulation, vegetal cover insulation, ice sheet insulation etc. all fails to obtain desirable especially effect.

Summary of the invention

The object of the present invention is to provide a kind of variable artificial wetland that is provided with the Winter protection heating device, utilize microbial metabolism produces between two wall constructions heat to come that insulation heats to wetland, thereby reduce temperature to influences of marshes, guarantee that artificial swamp can move continually and steadily.

For achieving the above object, the variable artificial wetland that is provided with the Winter protection heating device provided by the invention, its primary structure is:

Vertically and abreast be filled with three sections fillers in the artificial swamp, be provided with water distributor at the top of three sections fillers, the bottom of three sections fillers is provided with the receipts water pipe, and this receives water outlet and the filler top sustained height of water pipe;

One end top of three sections fillers connects a water inlet pipe, and the other end bottom connects rising pipe, the water outlet of this rising pipe and filler top sustained height;

Water distributor and water inlet pipe are connected respectively to water head tank;

During the water distributor water inlet, by the water outlet water outlet of receiving water pipe, water inlet pipe and rising pipe are closed;

During the water inlet pipe water inlet, by the water outlet water outlet of rising pipe, water distributor and receipts water pipe are closed.

The guardrail of artificial swamp periphery is two walls, and the Shuan Qiang top of artificial swamp is opening or airtight; The inside of two walls is filled with the organism of the heat production of fermenting; Airtight Shuan Qiang top, top is provided with airway, and this airway connects a tank, and the water pipe of this tank is connected to artificial swamp;

Can carry out the mutual conversion of horizontal-flow wetland and vertical-flow wetland by the adjusting of water distribution pipe.

Described variable artificial wetland, wherein, filler is the one or more combination in zeolite, gravel, Wingdale, slag, the gac etc.

Described variable artificial wetland, wherein, in three sections filler total lengths, one section filler of top connection water inlet pipe accounts for the 10%-20% of total length, one section filler of bottom connection rising pipe accounts for the 5%-10% of total length, and the interlude filler accounts for the 70%-85% of total length.

Described variable artificial wetland, wherein, in three sections fillers, one section filler of top connection water inlet pipe is connected one section filler of rising pipe with the bottom particle diameter is 16-32mm, the particle diameter of interlude filler is 8-16mm; The filler degree of depth is not less than 85% of the artificial swamp degree of depth.

Described variable artificial wetland, wherein, water distributor and water inlet pipe are connected to water head tank by water intaking valve respectively; Receive minute control valve that water pipe and rising pipe are separately installed with main control valve and are in different heights.

Described variable artificial wetland wherein, is received a minute control valve of installing on water pipe and the rising pipe and respectively is three, and the installation site of three minute control valves is respectively: be higher than artificial swamp the bed height, be positioned at filler the centre, be positioned at bottom the bed body of artificial swamp.

Described variable artificial wetland, wherein, water distributor, receipts water pipe all adopt the pvc pipe of DN100mm-DN120mm, the water distributor water distribution uniformity, every hole of 10-20cm cloth, bore dia is 1-3cm, receives filler place, the corresponding stage casing of water pipe and is provided with the receipts water hole, every hole of 5-10cm cloth, bore dia is 1-3cm.

Described variable artificial wetland, wherein, the strong emergent of the upper strata of artificial swamp plantation soil removability.

Described variable artificial wetland, wherein, the bottom of two within the walls sections is covered with impervious barrier.

Described variable artificial wetland, wherein, the organism of two within the walls sections filling is one or more in domestic refuse, cow dung, pig manure and the stalk; Packed height in a little higher than artificial swamp of organic height.

The variable flow wetland can be according to the adjusting of the concrete temperature Change in the external world by water distribution pipe, carry out the mutual conversion of horizontal-flow wetland and vertical-flow wetland, overcome the horizontal-flow wetland dissolved oxygen of intaking summer low, the shortcoming that vertical-flow wetland thermosteresis in winter is many, utilize winter the heat that microbial metabolism produces between two wall constructions to heat for the wetland insulation constantly, reduced outside air temperature to influences of marshes, increased the temperature of wetland inside, guaranteed that the cold condition constructed wetlands can move continually and steadily.Blockage problem can be slowed down even overcome to the advantages such as the current scour matrix of different directions and decomposing organic matter efficient height.The present invention can be widely used in the Winter protection of various buried, non-buried wetlands, has the characteristics such as pollution-free, reduced investment, working cost are low, simple to operate, high insulating effect, the recycle of resource, processing power is strong, operating performance is stable.

Description of drawings

Fig. 1 is structural profile schematic diagram of the present invention, and two walls wherein are aerobic fermentation heat production structure.

Fig. 2 is structural profile schematic diagram of the present invention, and two walls wherein are the anaerobic fermentation heat structure.

Embodiment

Concrete structure of the present invention sees also Fig. 1 and Fig. 2.

Need to prove, it is left and right, upper and lower that the present invention mentions etc., all is to be as the criterion with Fig. 1, direction shown in Figure 2 except specified otherwise is arranged.

Vertically be filled with the limestone filler of different-grain diameter in the artificial swamp, with artificial swamp inside be divided into left section 4, stage casing 5 and right section 6.Particularly, the particle diameter of the limestone filler of left section 4 and right section 6 is 16-32mm, and the particle diameter of the limestone filler in stage casing 5 is 8-16mm, and the filler degree of depth is not less than 85% of the artificial swamp degree of depth.

High-order inlet flume 1 flows in the artificial swamp by the sewage that water inlet pipe 2 and water distributor 15 are processed wish respectively.

Vertical and ground that be parallel to each other is filled with the filler of different-grain diameter in the artificial swamp, filler of the present invention is known technology, such as: the combination of zeolite, gravel, Wingdale, slag, gac etc. and various different fillers, the present invention is that limestone filler is that example describes, with artificial swamp inside be divided into left section 4, stage casing 5 and right section 6.Particularly, the limestone filler particle diameter of left section 4 and right section 6 is 16-32mm, and the limestone filler particle diameter in stage casing 5 is 8-16mm.

Artificial swamp has a water inlet pipe 2 and 15, one rising pipes 9 of a water distributor and a receipts water pipe 16, controls Inlet and outlet water by water-in and water-out pipe valve separately respectively.Particularly, in a side of artificial swamp, high-order inlet flume 1 with left section 4 between are connected with the top water inlet pipe by upper strata water intaking valve 3 and are connected water inlet pipe 2, similarly, be connected top water inlet pipe 13 by top water intaking valve 14 between high-order inlet flume 1 and the water distributor 15; At the opposite side of artificial swamp, right section 6 bottom is equipped with rising pipe 9, and master control valve 7 and minute control valve 8,10,11 are installed on the rising pipe 9; The bottom of artificial swamp is equipped with receives water pipe 16, receives master control valve 17 and minute control valve 18,19,20 are installed on the water pipe 16.Divide in the control valve 8,10,11 (18,19,20), the height of the highest minute control valve 10 (19) is identical with the Performance of Constructed Wetlands Substrates height at least, a minimum minute control valve 8 (18) is the bottom that is in artificial swamp, a middle minute control valve 11 (20) is the medium position that is in limestone filler, can regulate the water level of artificial wetland unit by minute control valve.

The guardrail of artificial swamp periphery is two wall 22 structures, and two walls 22 inside are filled with ight soil, reed, the active sludge mixture 23 that mixes.

The bottom of two walls 22 inside is covered with impervious barrier, the percolate that produces when preventing 23 fermentation of ight soil, reed, the active sludge mixture polluted underground water that permeates the ground.

The operation of the present invention when operation is:

Two walls 22 structural top among Fig. 1 are openings, reed after the pulverizer pulverizing is evenly mixed with ight soil and active sludge, regulate its water ratio (this is for known technology by adding water, and not the emphasis that the present invention discusses, be not described in detail), the height of the limestone filler in a little higher than artificial swamp of the height of mixture, mixture stays wide 0.2 meter height ventilation slot consistent with the mixture height every 1~2 meter, and the mixture top covers 0.1~0.2 meter thick reed to reach the effect of insulation.

When artificial swamp is vertical downstream wetland, the master control valve 7 of the rising pipe 9 of upper strata water intaking valve 3 and bottom is closed, top water intaking valve 14 is opened, begin water inlet by top water inlet pipe 13 by water distributor 15, simultaneously, a unlatching in the main control valve 17 of the receipts water pipe 16 of bottom and minute control valve 18,19,20 is by receipts water pipe 16 water outlets of bottom.

When artificial swamp is horizontal flow, close the master control valve 17 of the receipts water pipe 16 of top water intaking valve 14 and bottom, the master control valve 7 of opening the rising pipe 9 of upper strata water inlet pipe valve 3 and bottom reaches one that divides in the control valve 8,10,11, begins water inlet, rising pipe 9 water outlets of bottom by water inlet pipe 2.

Vertical current and horizontal flow can transform, and the transformation period should be definite according to practical situation, and winter transportation behavior vertical current, severe winter operate to horizontal flow as before.

Of the present invention being installed on starts late autumn, sustainable whole winter, and can be with the heat production product collection of the inside fertilizer as the farmland after heat production is complete.

Two walls 22 among Fig. 2 are sealed states, at two wall 22 inner anaerobic environments that form, are conducive to facultative and metabolic heat production anaerobion.

Reed after the pulverizer pulverizing is evenly mixed with ight soil and active sludge, regulate its water ratio (this is for known technology by adding water, and not the emphasis that the present invention discusses, be not described in detail), the height of the limestone filler in a little higher than artificial swamp of the height of mixture seals two walls 22 tops, and in its top layout airway 21 is arranged, the biogas that produces enters in the water head tank 1 by airway 21, has guaranteed two within the walls anaerobic environments of section.

When artificial swamp is vertical downstream wetland, the master control valve 7 of the rising pipe 9 of upper strata water intaking valve 3 and bottom is closed, top water intaking valve 14 is opened, begin water inlet by top water inlet pipe 13 by water distributor 15, simultaneously, a unlatching in the main control valve 17 of the receipts water pipe 16 of bottom and minute control valve 18,19,20 is by receipts water pipe 16 water outlets of bottom.

When artificial swamp is horizontal flow, close the master control valve 17 of the receipts water pipe 16 of top water intaking valve 14 and bottom, the master control valve 7 of opening the rising pipe 9 of upper strata water inlet pipe valve 3 and bottom reaches one that divides in the control valve 8,10,11, begins water inlet, rising pipe 9 water outlets of bottom by water inlet pipe 2.

Vertical current and horizontal flow can transform, and the transformation period should be definite according to practical situation, and winter transportation behavior vertical current, severe winter operate to horizontal flow as before.

Of the present invention being installed on starts late autumn, sustainable whole winter, and can be with the heat production product collection of the inside fertilizer as the farmland after heat production is complete.

Claims (9)

1. variable artificial wetland that is provided with the Winter protection heating device, primary structure is:
Vertically and abreast be filled with three sections fillers in the artificial swamp, be provided with water distributor at the top of three sections fillers, the bottom of three sections fillers is provided with the receipts water pipe, and this receives water outlet and the filler top sustained height of water pipe;
One end top of three sections fillers connects a water inlet pipe, and the other end bottom connects rising pipe, the water outlet of this rising pipe and filler top sustained height;
Water distributor and water inlet pipe are connected respectively to water head tank;
During the water distributor water inlet, by the water outlet water outlet of receiving water pipe, water inlet pipe and rising pipe are closed;
During the water inlet pipe water inlet, by the water outlet water outlet of rising pipe, water distributor and receipts water pipe are closed;
The guardrail of artificial swamp periphery is two walls, and the Shuan Qiang top of artificial swamp is opening or airtight; The inside of two walls is filled with the organism of the heat production of fermenting; Airtight Shuan Qiang top, top is provided with airway, and this airway connects a tank, and the water pipe of this tank is connected to artificial swamp;
Can carry out the mutual conversion of horizontal-flow wetland and vertical-flow wetland by the adjusting of water distribution pipe;
Wherein:
One section filler of top connection water inlet pipe is connected one section filler of rising pipe with the bottom particle diameter is 16-32mm, and the particle diameter of interlude filler is 8-16mm;
Water distributor is received filler place, the corresponding stage casing of water pipe and is provided with the receipts water hole every hole of 10-20cm cloth;
The organism of two within the walls sections filling is one or more in domestic refuse, cow dung, pig manure and the stalk.
2. variable artificial wetland according to claim 1, wherein, filler is the one or more combination in zeolite, gravel, Wingdale, slag, the gac.
3. variable artificial wetland according to claim 1, wherein, in three sections filler total lengths, one section filler of top connection water inlet pipe accounts for the 10%-20% of total length, one section filler of bottom connection rising pipe accounts for the 5%-10% of total length, and the interlude filler accounts for the 70%-85% of total length.
4. according to claim 1,2 or 3 described variable artificial wetlands, wherein, the filler degree of depth is not less than 85% of the artificial swamp degree of depth.
5. variable artificial wetland according to claim 1, wherein, water distributor and water inlet pipe are connected to water head tank by water intaking valve respectively; Receive minute control valve that water pipe and rising pipe are separately installed with main control valve and are in different heights.
6. variable artificial wetland according to claim 1 or 5 wherein, water distributor, is received the pvc pipe that water pipe all adopts DN100mm-DN120mm, and water distributor water distribution uniformity, bore dia are 1-3cm, receive water pipe every hole of 5-10cm cloth, and bore dia is 1-3cm.
7. variable artificial wetland according to claim 1, wherein, the strong emergent of the upper strata of artificial swamp plantation soil removability.
8. variable artificial wetland according to claim 1, wherein, the bottom of two within the walls sections is covered with impervious barrier.
9. variable artificial wetland according to claim 1, wherein, the packed height in a little higher than artificial swamp of organic height of two within the walls sections filling.
CN2012100044212A 2012-01-09 2012-01-09 Variable flow constructed wetland provided with winter temperature maintaining and raising device CN102531185B (en)

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Families Citing this family (6)

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CN104031825B (en) * 2013-03-07 2016-02-24 西北民族大学 Anaerobic in low temperature marsh-gas fermentation tank
CN103936160B (en) * 2014-04-09 2015-12-16 东华大学 A kind of underground heat is from warm horizontal drowned flow artificial wet land Sewage treatment systems
CN104445831B (en) * 2014-12-18 2016-08-24 重庆大学 A kind of family formula rural domestic sewage treatment, reusing integral system
CN104787895B (en) * 2015-04-21 2017-04-19 武汉中科水生环境工程股份有限公司 Self-purified type recirculation aquaculture system
CN105174430B (en) * 2015-09-16 2019-03-26 中国科学院东北地理与农业生态研究所 A kind of self-heating type cold operation Constructed Wetland For Purifying device and purification method
CN108033566B (en) * 2017-12-13 2018-12-07 中国科学院地理科学与资源研究所 One heavy metal species prevention and control system and the heavy metal preventing control method for using it

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CN201952328U (en) * 2011-01-10 2011-08-31 山东大学 Landscape inverted biological quick filtration device
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