CN101704577B - Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland - Google Patents

Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland Download PDF

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Publication number
CN101704577B
CN101704577B CN2009100618840A CN200910061884A CN101704577B CN 101704577 B CN101704577 B CN 101704577B CN 2009100618840 A CN2009100618840 A CN 2009100618840A CN 200910061884 A CN200910061884 A CN 200910061884A CN 101704577 B CN101704577 B CN 101704577B
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pipe
water
water distributor
tube
interior pipe
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CN101704577A (en
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李献芳
丘昌强
龙万明
张业信
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WUHAN LVMINGLI HUANNENG CO., LTD.
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WUHAN LVWO ENVIRONMENTAL PROTECTION TECHNOLOGY EQUIPMENT Co Ltd
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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

Abstract

A subsurface flow type constructed wetland has a double-barreled water distributor with biofilm reaction, which is characterized in that the double-barreled water distributor is formed by sleeving an inner layer pipe and an outer layer pipe, water distribution holes are provided on inner pipe and outer pipe walls, two ends of the inner pipe and the outer pipe are closed by ring end plates, porous fillers are filled between the inner pipe and the outer pipe, thereby forming a signal biofilm reactor. The porous fillers in the water distributor are particle fillers containing a plurality of metal oxides with rough surfaces and grain size of 15-20mm. The inner pipe of a water distribution pipe is provided with a socket. A reactor with independent biofilm is formed by the sewage passing through the porous fillers. By changing the filler proportion, the reactor can have a purification unit with micro-electrolysis function. The sewage passes through the water distribution pipe network, which has a primary purification process and can remove 30% of pollutant. The sewage is infiltrated to an ecological wetland filter bed after uniform water distribution through the water distributor, thus the sewage is ensured not to form short flow impact during the flowing treatment process. The invention ensures the fluent water distribution and not to block, and realizes the long-acting safe operation.

Description

Two-tube water distributor, water distribution pipe network and water distribution system thereof with biomembrane reaction
Technical field
The present invention is the water distributor of bilayer zone filler, and it is used for artificial swamp or land percolation system sewage treatment project, is the water technology that is applied to environment-friendly engineering.
Background technology
Since Economic development, the population growth, the town domestic sewage quantity discharged continues to increase, and water pollution problems is on the rise.For human and environment and Sustainable development harmonious economy, the improvement work of trade effluent and sewage is very important and urgent.The main method of disposing of sewage at present has physico-chemical process and biochemical process two big classes; And be main with traditional active sludge treatment process in the biochemical process, but construction investment that should technology is big, and energy consumption is high; Operational management requires high; For the small and medium-sized cities and the small towns of technology, fund strength weakness, use this kind technology, its construction and operation all are very difficult.And artificial swamp or land percolation treatment technology are to utilize physics, chemistry and biological triple coordinative roles in the natural ecosystems to realize the purification to sewage, underflow type artificial ecological wetland treatment technology especially, and to have initial cost few because of it; Working cost is low, and management is simple, and treatment effect is good; And it is reliable and stable; Strong and the treatment system ability self-perfection of capacity of resisting impact load, and have the advantages such as effect that greening environment improves ecology, in WWT, applied.
In practice operation, also find some defectives, sewage treating efficiency is descended like operating short flow problem and system jams.
Summary of the invention
The purpose of this invention is to provide two-tube water distributor, water distribution pipe network and water distribution system thereof that a kind of underflow type artificial wet land has biomembrane reaction; Be applied in the undercurrent water distribution pipe network system in underflow type artificial ecological wetland or the land percolation WWT, it has solved blocking problem in short stream of water distribution and the pipe.It is nested by inside and outside two layers of plastic pipe and forms; Fill special filler between interior pipe and the outer tube, thereby constitute an independent biofilm reactor, effluent stream is crossed water distributor and is formed own ecological treatment system; Have the effect of purifying waste water, can remove in the sewage 30% pollutent.
Technical scheme of the present invention is: the two-tube water distributor with biomembrane reaction; It is characterized in that: it is nested by inside and outside two-layer pipe and forms; On interior pipe and the outer tube wall water distributing pore is arranged all; Two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitute an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot.
Adopt the water distribution pipe network of two-tube water distributor; It is characterized in that: said two-tube water distributor is nested by inside and outside two-layer pipe and forms; On interior pipe and the outer tube wall water distributing pore is arranged all; Two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitute an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot;
Apportion connects a plurality of two-tube water distributors on the center water pipe, shape such as skill shape, and interior pipe one port of two-tube water distributor is connected with the center water pipe, another external port sealing.
The water distribution pipe network of aforesaid two-tube water distributor is characterized in that: the interior pipe of plural two-tube water distributor is connected, the interior pipe external port sealing of outmost two-tube water distributor.
Adopt the water distribution system of two-tube water distributor; It is characterized in that: the bottom at artificial swamp adopts antiseepage to handle, and one-level water distribution pipe network is set, and one-level water distribution pipe network rear is provided with the transition pump well; The top is laid rubble filler, coarse grain chiltern filler successively; With the drop aeration aerating or with the oxygenation of micropore gas distribution pipe, make it become an aerobic treating pond of contact in the shooting property filler in the transition pump well, well; There is the tracery wall gully-hole transition pump well top, and the below connects the secondary water distribution pipe network of wetland, and the online side of secondary water distributor arranges filtering layer and rising pipe header successively; I and II water distributor side off the net arranges the emptying pipe network, and evacuated tube Netcom crosses pump and is connected with the draining settling tank;
Said two-tube water distributor is nested by inside and outside two-layer pipe and forms, and water distributing pore is all arranged on interior pipe and the outer tube wall, and two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitutes an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot;
Described water distribution pipe network constitutes by connecting a plurality of two-tube water distributors on the center water pipe, and interior pipe one port of two-tube water distributor is connected with the center water pipe, another external port sealing.
At water exhaust system the emptying pipe network is set, utilizes level pressure regularly the water distribution system filler to be washed, ensure the operation of the long-term efficient stable of wetland; Emptied of water gets into mud trap, and supernatant goes back to former pond and treats to handle again, between first pond and second pond, the transition pump well is set; Filling elastic filler in the available head aeration aerating or with the oxygenation of micropore gas distribution pipe, groove forms the aerobe reaction; Fill up the long deficiency of artificial swamp anaerobism, improve wetland hydraulic load 20~30%, can reduce the engineering land area under the same condition of water quality; At transition pump well loam cake cement plate, can do management and use road.
Description of drawings
Fig. 1 is water distributor modular construction figure
Fig. 2 is a water distributor unit interface chart
Fig. 3 is skill shape water distribution pipe network figure
Fig. 4 is the application drawing of water distribution pipe network in artificial swamp
Embodiment
The explanation of mark among Fig. 1: wherein 1.1, plastic inner pipe, 1.2, plastic outer tube, 1.3, protruded packing, 1.4, the plastic closures end plate.
The explanation of mark among Fig. 4: wherein 1, water inlet pipe, 2, one-level water distribution pipe network, 3, the rubble filler, 4, coarse grain chiltern filler; 5, transition pump well, 6, the rising pipe header, 7, secondary water distribution pipe network; 8, emptying pipe network, 9. micropore gas distribution pipe, 10, elastic filler; 11, draining mud trap, 12, the emptying pipe network, 13, pump.
Technology of the present invention is two plastics tubings that vary in size to be nested be combined into the layer cloth hydrophone; As shown in Figure 1; Wherein bassoon plastic outer tube 1.2 diameter of phi 110m/m tubule plastic inner pipes 1.1 diameter of phi 75m/m connect certain distance punching, an end band bell and spigot of tubule plastic inner pipe 1.1 diameter of phi 75 in corresponding position; Its internal diameter is that Φ 75 joins, and can water distributor be combined to needs length.Two ends weld fixing with annular endplate 1.4 between interior pipe 1.1 and the outer tube 1.2.Fill between the inner and outer pipe and contain the coarse particle porous filler 1.3 of multiple metal oxide surface, particle diameter is 15~20mm, is easy to that biological attachment is hung film and surface-area is big, and living weight is many.Sewage flows to the packing area from interior pipe 1.1, through protruded packing 1.3 mixings, oozes out from outer tube 1.2 again.
The length of water distributor can connect combination as required.As shown in Figure 2.
The water distribution pipe network is responsible for apportion multichannel water distributor by a center, and shape such as skill shape are as shown in Figure 3.
Pipe network system is as shown in Figure 4 in the living wetland enforcement of manual work engineering.Bottom at artificial swamp adopts antiseepage to handle shop, laying rubble filler 3 upper stratas coarse grain chiltern filler 4; One-level water distribution pipe network 2 is located at bottom; Evenly ooze out the entering packing filter when sewage touches the outer tube water distributing pore through interior pipe 1.1 distributions through protruded packing 1.3, rise to the tracery wall gully-hole and get into transition pump well 5, micropore gas distribution pipe 9 is housed in transition pump well 5; And shooting property filler 10; Make it become an aerobic treating pond of contact, improved the long deficiency of artificial swamp anaerobism, improve the system purification processing power; Can improve hydraulic load 20~30%, sewage gets into wetland again from the bottom through transition pump well 5 secondary water distribution pipe network 7 gets into the 6 collection discharges of rising pipe header through filtering layer.
Establish emptying pipe network 12 at the wetland bottom, utilize water layer gravity, when emptying, wash away dirt in the filtering layer, row gets into draining mud trap 11, and supernatant goes back to former pond and treats to handle again, and the cover plate that lays cement in transition pump well 5 upper ends can be done the management of wetland and use road.

Claims (4)

1. the two-tube water distributor that has biomembrane reaction; It is characterized in that: it is nested by inside and outside two-layer pipe and forms; On interior pipe and the outer tube wall water distributing pore is arranged all; Two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitute an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot.
2. adopt the water distribution pipe network of two-tube water distributor; It is characterized in that: said two-tube water distributor is nested by inside and outside two-layer pipe and forms; On interior pipe and the outer tube wall water distributing pore is arranged all; Two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitute an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot;
Apportion connects a plurality of two-tube water distributors on the center water pipe, shape such as skill shape, and interior pipe one port of two-tube water distributor is connected with the center water pipe, another external port sealing.
3. the water distribution pipe network of the two-tube water distributor of employing as claimed in claim 3 is characterized in that: the interior pipe of plural two-tube water distributor is connected, the interior pipe external port sealing of outmost two-tube water distributor.
4. adopt the water distribution system of two-tube water distributor; It is characterized in that: the bottom at artificial swamp adopts antiseepage to handle, and one-level water distribution pipe network is set, and one-level water distribution pipe network rear is provided with the transition pump well; The top is laid rubble filler, coarse grain chiltern filler successively; With the drop aeration aerating or with the oxygenation of micropore gas distribution pipe, make it become an aerobic treating pond of contact in the shooting property filler in the transition pump well, well; There is the tracery wall gully-hole transition pump well top, and the below connects the secondary water distribution pipe network of wetland; The online side of secondary water distributor arranges filtering layer and rising pipe header successively; I and II water distributor side off the net arranges the emptying pipe network, and evacuated tube Netcom crosses pump and is connected with the draining settling tank;
Said two-tube water distributor is nested by inside and outside two-layer pipe and forms, and water distributing pore is all arranged on interior pipe and the outer tube wall, and two ends are sealed with annular endplate between interior pipe and the outer tube, fill protruded packing between interior pipe and the outer tube, thereby constitutes an independent biofilm reactor; Protruded packing is for containing the coarse granular filler of multiple metal oxide surface in the water distributor, and particle diameter is 15~20mm; The interior pipe racks of water distributor has bell and spigot;
Described water distribution pipe network constitutes by connecting a plurality of two-tube water distributors on the center water pipe, and interior pipe one port of two-tube water distributor is connected with the center water pipe, another external port sealing.
CN2009100618840A 2009-04-28 2009-04-28 Double-tube water distribution device with biomembrane reaction of subsurface flow type constructed wetland Active CN101704577B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102351317B (en) * 2011-09-09 2013-04-24 杨欣 Sewage treatment artificial wetland system
CN102976493A (en) * 2012-11-30 2013-03-20 南京农业大学 Horizontal subsurface flow constructed wetlands experimental device
CN103964578B (en) * 2014-05-13 2015-09-30 姚永新 Directly be applied in the water purifying processing system in the wetland of sewage ditch sewage river seedbed and process for purifying water
CN107854882A (en) * 2017-11-03 2018-03-30 深圳市纯水号水处理科技有限公司 A kind of easy water-locator

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