CN103880190B - Tippable combined ecological floating bed for a flood discharge channel - Google Patents

Tippable combined ecological floating bed for a flood discharge channel Download PDF

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Publication number
CN103880190B
CN103880190B CN201410124280.7A CN201410124280A CN103880190B CN 103880190 B CN103880190 B CN 103880190B CN 201410124280 A CN201410124280 A CN 201410124280A CN 103880190 B CN103880190 B CN 103880190B
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CN
China
Prior art keywords
floating bed
fixed
module
fixed link
floating
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CN201410124280.7A
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Chinese (zh)
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CN103880190A (en
Inventor
饶磊
王沛芳
任凌霄
敖燕辉
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河海大学常州校区
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Priority to CN201410124280.7A priority Critical patent/CN103880190B/en
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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

The invention belongs to the field of water environment protection, and discloses a tippable combined ecological floating bed for a flood discharge channel, which is suitable for water quality purification and environment protection of a river with the function of a flood discharge channel. The ecological floating bed comprises a floating bed outer frame, a floating bed fixing device, a floating bed module and a tilting control device, wherein the floating bed module comprises a planting matrix, a planting matrix supporting frame and a rotating shaft, and the floating bed module is fixed on the floating bed framework through the rotating shaft and can rotate relative to the floating bed framework; the floating bed fixing device is connected with the floating bed outer frame and used for fixing the floating bed and triggering the tilting action; the tilting control device is fixed in the middle of the floating bed outer frame and connected with the floating bed module through a suspension rope; all the planting matrixes in the combined floating bed are laid on the water surface like the common floating beds under the conditions of dry seasons and low level in normal river flow periods; all the floating bed modules automatically tilt in high water periods when the water level rises close to the warning water level; and after the flood discharge of the river is over, the combined floating bed automatically restores to the initial flat state.

Description

A kind of be applicable to flood discharge river can tilt bed combined ecological floating bed
Technical field
The present invention relates to a kind of polluted river quality purifying device for water, particularly a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, belong to water environment protection field.
Background technology
Artificial ecology floating bed, be otherwise known as artificial floating rafts, biological floating island etc., is widely used in recent years in polluted river, the restoration of the ecosystem in lake and training works.Its purification mechanism be by root system of plant to the direct absorption of pollutent and the microorganism of root system of plant surface attachment to the katabolism effect of the nutritive substance in water body, water body Middle nutrition material and pollutent are carried out absorbing and transforming, thus realizes the object improving water quality and reparation aquatic ecosystem.Biological floating bedly can also provide the roost of birds and fish except having the effect purified water, there is the function of beautifying view and creating creatures live condition.Through development for many years and application, biological floating bed technology is comparatively ripe, at degradation water body pollution, beautifies in view etc. and has played extraordinary effect, become the in-situ treatment technology that the polluted water body restoration of the ecosystem of lake, river is commonly used with purifying treatment at present.
The structure formation of current widely used floating bed, arrangement mode and profile have broad variety, and various have strengthen the biological floating bed of detergent power also continuing to bring out, as arranged aerating apparatus and at floating bed underhung bionic filler etc. in floating bed, these technology all effectively carry the high biological floating bed treatment effect in ground, but do not possess and keep away big vast function.When above-mentioned biological floating bed be applied to flood discharge river time, serious resistance effect can be produced when river course flood in flood season, the harmony increasing the water surface is high, simultaneously under the shock action of mass-flow, above-mentionedly biological floating bedly root system of plant is very easily caused to rupture and the phenomenon such as to come off of surface biological film, and catadromous rubbish also can clash into or winder root system or filler during flood passage, the purification efficiency of floating bed after flood season significantly can be reduced, need the longer time to recover its purification function.Therefore, conventional at present biological floating bed use in this type of flood discharge river is limited by very large.
Summary of the invention
The object of the invention is to overcome existing fixed biological floating bed shortcoming with not enough, propose a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, floating bed module of can automatically tumbling when river course flood in floating bed can be tumbled automatically, root system of plant is surfaced, reduce the resistance effect of floating bed, it also avoid root system of plant and directly impacted by mass-flow and be damaged.After flood passage terminates water level decreasing, combination floating bed can restPose automatically, does not need Artificial Control.
For achieving the above object, the present invention has following feature:
The present invention propose a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, described combined ecological floating bed comprises floating bed housing, floating bed module, floating bed fixed link and tipping control device; Described floating bed module is arranged on floating bed housing, is provided with some Supported Nylon ropes below described floating bed housing, for the floating bed module that support keeps flat; Described floating bed housing front part sides is provided with two U-type groove, and for being connected with floating bed fixed link, described floating bed fixed link is fixed on riverbed, and described floating bed module arranges tipping control device.
The number of above-mentioned floating bed module is even number, symmetrical installation in floating bed housing, and the direction of tumbling of the floating bed module of both sides should be contrary, keeps balance to make combination floating bed under rollover conditions.
Above-mentioned floating bed housing is hollow structure, and material is engineering plastics, and combination floating bed can be made to float on the water surface.
The shape of above-mentioned floating bed fixed link is " Y " type, and its underpart is fixed in riverbed, and top is made up of low fixed link and high fixed link; The overhead height of described high fixed link is higher than low fixed link, and two bars can insert in the U-type groove of floating bed housing simultaneously, play position-limiting action to floating bed housing.
Above-mentioned floating bed module comprises plantation matrix, plantation matrix carriage and rotating shaft, and described plantation matrix is fixed on plantation matrix carriage, for planting aquatic plants; Certain interval is left, to increase the water_air exchange area of below water body between every block plantation matrix; Described rotating shaft is fixed together with plantation matrix carriage, and floating bed module is fixed on floating bed housing by rotating shaft, and can rotate around the axis.
Above-mentioned tipping control device comprises suspension frame, fork, top sheave, lower sheave, clasp and transmission rope; Described suspension frame two ends are separately fixed at the middle part of floating bed housing, and mounting plane is vertical with water (flow) direction; Described fork to be positioned at directly over floating bed module and be fixed on hang frame crossbeam on; Adopt suspension strop to be connected between described fork with floating bed module, one end of suspension strop is fixed in the middle part of the plantation matrix carriage of floating bed module, and the other end is fixed on the lower end of fork; Two top sheaves are individually fixed in the two ends hanging frame crossbeam, and two lower sheaves are individually fixed in the bottom hanging frame straight-bar; Be connected with transmission rope between described fork with floating bed fixed link, one end of transmission rope is fixed on fork top, and there is a clasp in the other end system, and clasp is enclosed within high fixed link, and transmission rope changes power transmission direction by top sheave and lower sheave.
Principle of work of the present invention: at non-flood period, streamflow speed is slow, and water level is lower, and the low fixed link top on floating bed fixed link is higher than the water surface, and floating bed housing is caught on by the low fixed link of both sides, and now transmission rope does not stress, on floating bed module is bubbled through the water column reposefully.Interim in flood season, flow velocity is accelerated, and water level rises, and when elevation of water surface exceedes low fixed link top, floating bed housing is deviate from from low fixed link head, and moves backward under the effect of current, is finally caught on by high fixed link.During this period, transmission rope pulls fork to rotate, the action thus pull-up floating bed module is tumbled.After flood passage terminates, river water level and flow velocity decline, and current reduce the thrust of floating bed, and floating bed module falls gradually under the effect of self gravitation, and now transmission rope drives floating bed housing to move in face of water (flow) direction.Time below water level decreasing to low fixed link overhead height, low fixed link can insert in the U-type groove of floating bed housing again, and floating bed restPoses.
Tool of the present invention has the following advantages and beneficial effect:
(1) at non-flood period, floating bed root system is all immersed in water, and its decontamination effect improving is identical with common floating bed.
(2) in flood season, each floating bed module in floating bed all can be tumbled automatically, most root system of plant is surfaced, thus effectively reduces the resistance effect of floating bed, also avoid simultaneously root system of plant impacted by flood and break, the detrimentally affect such as biofilm detachment.
(3) after flood passage terminates, the combination floating bed that the present invention proposes can automatically reply original state, and is not damaged due to root system of plant and microbial film, and floating bed can fast its purification function of quick-recovery.
(4) the floating bed housing of the combination floating bed of the present invention's proposition has good rigidity, and the floating matter that can effectively prevent upstream from sweeping away is to the collision of floating bed module and damage.Simultaneously inner all floating bed modules are independent mutually, and can rotate in floating bed housing, and this makes floating bed inside have good flexibility, can adapt to the situation that in river course flood process, undulation is violent.This outer just interior soft structure effectively protects floating bed structure and is not damaged, and extends the work-ing life of floating bed.
The combination floating bed that the present invention proposes tumble and recovery action triggers by river water level, without the need to Artificial Control, to flood season flood discharge river water level sudden rise and water level after terminating flood season disappear all can from dynamic response.
Accompanying drawing explanation
Below in conjunction with Figure of description, technical scheme of the present invention is further described.
Fig. 1 is the vertical view of apparatus of the present invention.
Fig. 2 is the front view of apparatus of the present invention.
Fig. 3 is the cross-sectional view of A-A shown in Fig. 1.
Fig. 4 is the cross-sectional view of B-B shown in Fig. 1.
Fig. 5 is the structure iron of the floating bed module of apparatus of the present invention.
In figure 1 is floating bed housing, 2, and are floating bed fixed links, 3 to be transmission ropes, 4 be that to hang frame, 5 are Supported Nylon ropes, 6 are floating bed modules, 7 are U-type groove, 8 are water (flow) directions, 9 are waterplant, 10 are low fixed links, 11 are high fixed links, 12 are clasps, 13 are waters surface, 14 are riverbeds, 15 are plantation matrixes, 16 are top sheaves, 17 are lower sheaves, 18 are forks, 19 are suspension strops, 20 are rotating shafts, 21 is plantation matrix carriages.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical solution of the present invention is described in further detail, but protection scope of the present invention is not limited to described embodiment.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, comprise floating bed housing 1, floating bed module 6, floating bed fixed link 2 and tipping control device; Floating bed module 6 is arranged on floating bed housing 1, is provided with some Supported Nylon ropes 5 below floating bed housing 1, for the floating bed module 6 that support keeps flat; Floating bed housing 1 front part sides is provided with two U-type groove 7, and for being connected with floating bed fixed link 2, floating bed fixed link 2 is fixed on riverbed, and floating bed module 6 arranges tipping control device.
The number of above-mentioned floating bed module 6 is even number, symmetrical installation in floating bed housing 1, and the direction of tumbling of the floating bed module 6 of both sides should be contrary, keeps balance to make combination floating bed under rollover conditions.
Above-mentioned floating bed housing 1 is hollow structure, and material is engineering plastics, and combination floating bed can be made to float on the water surface, and its physical dimension is length × wide × height=3.5m × 2.5m × 0.2m, can provide enough buoyancy that combination floating bed is floated on the water surface.
The shape of above-mentioned floating bed fixed link 2 is " Y " type, and its underpart is fixed in riverbed, and top is made up of low fixed link 10 and high fixed link 11; Under ordinary water level condition, low fixed link 10 and high fixed link 11 can insert in the U-lag 7 of floating bed housing 1 front part sides simultaneously.In installation process, low fixed link 10 is positioned at the upstream position of high fixed link 11, and the overhead height of low fixed link 10 is lower than river course warning water level height 5cm ~ 10cm, to guarantee to trigger action of tumbling before flood arrives.High fixed link 11 overhead height should higher than warning water level 40cm ~ 50cm, to ensure that this combination floating bed is not flushed away at flood passage therebetween.
Above-mentioned floating bed module 6 comprises plantation matrix 15, plantation matrix carriage 21 and rotating shaft 20, and plantation matrix 15 is fixed on plantation matrix carriage 21, for planting aquatic plants 9; The material of plantation matrix 15 is low-density foamed plastics, and every block plantation matrix 15 is of a size of length × wide × height=0.25m × 0.4m × 0.1m; Certain interval is left, to increase the water_air exchange area of below water body between every block plantation matrix 15; Rotating shaft 20 is fixed together with plantation matrix carriage 21, and floating bed module 6 is fixed on floating bed housing 1 by rotating shaft 20, and can 20 rotate around the shaft.Plantation matrix carriage 21 and rotating shaft 20 all adopt diameter to be that the pvc pipe of 6cm is socketed melting welding and makes, and require that all pipelines are hermetically sealed, thus can provide buoyancy support for floating bed module 6, it also avoid because water enters in pipeline the weight increasing floating bed module 6 simultaneously.The head and the tail two ends of floating bed housing 1 are fixed at rotating shaft 20 two ends, and floating bed module 6 can freely be rotated.It is inner that floating bed module 6 is arranged on floating bed housing 1 symmetrically, and the direction of tumbling of the floating bed module 6 of both sides is contrary, can keep balance to make combination floating bed under rollover conditions.
Above-mentioned tipping control device comprises suspension frame 4, fork 18, top sheave 16, lower sheave 17, clasp 12 and transmission rope 3; Hang the middle part that frame 4 two ends are separately fixed at floating bed housing 1, mounting plane is vertical with water (flow) direction 8; Fork 18 to be positioned at directly over floating bed module 6 and be fixed on hang frame 4 crossbeam on; Adopt suspension strop 19 to be connected between fork 18 with floating bed module 6, one end of suspension strop 19 is fixed in the middle part of the plantation matrix carriage 21 of floating bed module 6, and the other end is fixed on the lower end of fork 18; Two top sheaves 16 are individually fixed in the two ends hanging frame 4 crossbeam, and two lower sheaves 17 are individually fixed in the bottom hanging frame 4 straight-bar; Be connected with transmission rope 3 between fork 18 with floating bed fixed link 2, one end of transmission rope 3 is fixed on fork 18 top, and there is a clasp 12 in the other end system, and clasp 12 is enclosed within high fixed link 11, and transmission rope 3 changes power transmission direction by top sheave 16 and lower sheave 17.
The working process of the present embodiment: in non-flood period low-water level, minimum velocity situation, floating bed housing 1 is caught on by the low fixed link 10 of the floating bed fixed link 2 of both sides, transmission rope 3 does not stress, fork 18 is freely sagging under the action of gravity of floating bed module 6, now four pieces of floating bed modules 6 are all held by bottom nylon rope 5 and are laid in the water surface, and root system of plant contacts with water fully.During river course flood, when river water level is higher than low fixed link 10 top, floating bed housing 1 is deviate from from low fixed link 10 top, and move backward under the effect of current, finally caught on by high fixed link 11, now transmission rope 3 pulls fork 18 to rotate because of relative displacement, and fork 18 pulls floating bed module 6 to tumble action.Now most root system of plant surfaces, and effectively can reduce the inhibition to current, and protect root structure.Because root system of plant leaves water surface distance not quite, within the flood passage phase, still can obtain suff water supply by the spray splash.After river course flood terminates, the decline of river water level and flow velocity makes current reduce the thrust of floating bed, and floating bed module 6 falls under gravity gradually, and now transmission rope 3 drives floating bed housing 1 to move in face of water (flow) direction.Time below water level decreasing to low fixed link 10 overhead height, low fixed link 10 can insert in the U-type groove 7 of floating bed housing 1 again, and floating bed restPoses.
The present invention propose can tilt bed biological floating bed have keep away big vast drag-reduction effect preferably, not only decrease the obstruction of floating bed to river course flood, and after the flood passage phase, root system of plant can recover its purification function fast, is very suitable for promoting the use of at flood discharge river.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (4)

1. what be applicable to flood discharge river can a tilt bed combined ecological floating bed, it is characterized in that: described combined ecological floating bed comprises floating bed housing, floating bed module, floating bed fixed link and tipping control device; Described floating bed module is arranged on floating bed housing, is provided with some Supported Nylon ropes below described floating bed housing, for the floating bed module that support keeps flat; Described floating bed housing front part sides is provided with two U-type groove, and for being connected with floating bed fixed link, described floating bed fixed link is fixed on riverbed, and described floating bed module arranges tipping control device;
The shape of described floating bed fixed link is " Y " type, and its underpart is fixed in riverbed, and top is made up of low fixed link and high fixed link; The overhead height of described high fixed link is higher than low fixed link, and two bars can insert in the U-type groove of floating bed housing simultaneously, play position-limiting action to floating bed housing;
Described tipping control device comprises suspension frame, fork, top sheave, lower sheave, clasp and transmission rope; Described suspension frame two ends are separately fixed at the middle part of floating bed housing, and mounting plane is vertical with water (flow) direction; Described fork to be positioned at directly over floating bed module and be fixed on hang frame crossbeam on; Adopt suspension strop to be connected between described fork with floating bed module, one end of suspension strop is fixed in the middle part of the plantation matrix carriage of floating bed module, and the other end is fixed on the lower end of fork; Two top sheaves are individually fixed in the two ends hanging frame crossbeam, and two lower sheaves are individually fixed in the bottom hanging frame straight-bar; Be connected with transmission rope between described fork with floating bed fixed link, one end of transmission rope is fixed on fork top, and there is a clasp in the other end system, and clasp is enclosed within high fixed link, and transmission rope changes power transmission direction by top sheave and lower sheave.
2. according to claim 1 a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, it is characterized in that: the number of described floating bed module is even number, symmetrical installation in floating bed housing, and the direction of tumbling of the floating bed module of both sides should be contrary, under rollover conditions, keep balance to make combination floating bed.
3. according to claim 1 a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, it is characterized in that: described floating bed housing is hollow structure, material is engineering plastics, and combination floating bed can be made to float on the water surface.
4. according to claim 1 a kind of be applicable to flood discharge river can tilt bed combined ecological floating bed, it is characterized in that: described floating bed module comprises plantation matrix, plantation matrix carriage and rotating shaft, described plantation matrix is fixed on plantation matrix carriage, for planting aquatic plants; Certain interval is left, to increase the water_air exchange area of below water body between every block plantation matrix; Described rotating shaft is fixed together with plantation matrix carriage, and floating bed module is fixed on floating bed housing by rotating shaft, and can rotate around the axis.
CN201410124280.7A 2014-03-28 2014-03-28 Tippable combined ecological floating bed for a flood discharge channel CN103880190B (en)

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CN107140743B (en) * 2017-06-19 2020-07-24 河海大学 Self-protection ecological floating bed suitable for flood-carrying river channel

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