CN105000668A

CN105000668A - Compound functional multi-space flexible bio-floating bed

Info

Publication number: CN105000668A
Application number: CN201510346709.1A
Authority: CN
Inventors: 田守岗; 陈学群; 唐漪; 黄继文; 田婵娟; 李福林; 宋玉田; 田志刚
Original assignee: Water Resources Research Institute of Shandong Province
Current assignee: Water Resources Research Institute of Shandong Province
Priority date: 2015-06-23
Filing date: 2015-06-23
Publication date: 2015-10-28
Anticipated expiration: 2035-06-23
Also published as: CN105000668B

Abstract

The invention relates to a compound functional multi-space flexible bio-floating bed. The floating bed is provided with four spaces, wherein the first space is a root system protection space, the bottom is a fish prevention gauze element (1), and the top is formed by a first geo-grid (2); the second space is a floating body space, the bottom is the first geo-grid (2) of the first space, the middle is formed by linking a first PPR pipe (3) with a first polyvinyl chloride floating ball (4), and the top is a second geo-grid (5); the third space is a soil load space, the bottom is the second geo-grid (5) and covered with double-layer geotechnical cloth (6), the middle structure is formed by linking a second PPR pipe (7) with a second polyvinyl chloride floating ball (8), and the top is a third geo-grid (9); the fourth space is a growth space, the bottom structure is the third geo-grid (9) at the top of the third space, the periphery forms a floating body frame by use of a third PPR pipe (10) in linkage with a third polyvinyl chloride floating ball (11), and the outside is wrapped and bound by the geotechnical cloth (6) to form the growth space of aquatic vegetation.

Description

The many spatial flexible of a kind of complex function are biologic float bed

Technical field

The invention belongs to hydro project and field of environment engineering technology, particularly relate to and the terrestrial plant of waterplant or improvement is planted with on macromolecular material or the ceramic water body that is carrier, carry out in-situ immobilization eutrophication water, the many spatial flexible of a kind of complex function purified water are biologic float bed.

Background technology

At present, the aspects such as can vegetation survive the winter to the removal ability of water pollutant, vegetation, the material of artificial buoyancy aid are concentrated on mostly for the research of artificial floating rafts.Especially, in vegetation selection and removal ability, Chinese scholars has all done large quantifier elimination.And it is less for the aspect of performance such as shock resistance, the antidumping research of the structure of biological buoyancy aid, biological buoyancy aid.According to document introduction, from initial " foam " floating bed, current biologic float bed buoyancy aid, by a large amount of experimental studies, develops into that bottle afterwards plants that floating bed, bamboo formula are biologic float bed, six generations such as recyclable materials floating bed, stacked floating bed and combination floating bed is biologic float bed.The floating body material selected also from " foam " material gradually to comprehensive future developments such as environmentally friendly, types with low cost, greatly promoted the applicability of biological floating island achievement in research.The small-sized rigid structure that the buoyancy aid of current floating bed generally adopts macromolecular material or ceramic to make, area is at 2 ~ 6m ²between; the biologic float bed of small-sized rigid structure has comparatively stable monomer, and can splice monomer according to setting pattern or structure, this associativity is biologic float bed has good compatibility; making processes has mass-producing, industrialization feature, and transport more for convenience.But, the floating bed of rigid buoyant body structure still also exists many problems in application process, such as due to rigid structure energy dissipating poor-performing, under being subject to the condition of wind loading, water ballast(ing) in water over a long time, rigid structure is easily damaged, and causes reduce biologic float bed work-ing life, structure deteriorate, wherein under the effect of wind-force, current, biologic float bed material will be dismissed, and produces secondary pollution to water body.Recyclable materials floating bed adopts lithotroph carrier; as haydite, vermiculite, multicellular glass, porous ceramics etc.; substitute the polymer carrier having pollution; to protection of the environment, to walk sustainable development path significant; there is vast potential for future development; but because cost is high, be still confined to laboratory study at present.

Summary of the invention

The present invention has considered the deficiency of the aspects such as current biologic float bed rigid buoyant body structure is single, wind and wave resistance impact property difference, considers Financial cost to propose the many spatial flexible of a kind of complex function biologic float bed.Realizing the technical solution used in the present invention is: the many spatial flexible of a kind of complex function are biologic float bed, it is characterized in that: this floating bed is provided with four spaces, first space is root protection space, bottom is anti-fish gauze, form a larger anti-fish with whole framework and sting root protection space, top is made up of the first geo-grid; Second space is floating-body space, bottom construction is top first geo-grid in the first space, central structure links the first polyvinyl chloride ball float by the first PPR pipe and forms, Main Function provides biologic float bed buoyancy, form flexible biological floating bed structure, the growing space of root system can also be provided, play a protective role; Top is the second geo-grid, provides stirrup effect, ensures the integrity of whole buoyancy aid; 3rd space is soil load space, and bottom construction is top second geo-grid of second space, and on the basis of the second geo-grid, cover double-deck geotextile, and the control soil body runs off; Central structure links the second polyvinyl chloride ball float by the second PPR pipe and forms and form buoyancy aid, and major function is to provide soil load space, secondly can increase the buoyancy of floating bed; Top is the 3rd geo-grid, provides stirrup effect, ensures the integrity of whole buoyancy aid further; 4th space is growing space; bottom construction is the 3rd geo-grid of the 3rd top of space; surrounding utilizes the 3rd PPR pipe link the 3rd polyvinyl chloride ball float to form buoyancy aid framework; outside parcel by geotextile is wrapped up; form the growing space of aquatic vegetation; and playing the effect of wave resistance, the protection soil body is not flushed away.

The present invention is made up of buoyancy aid, buoyancy aid stirrup and carrier three parts; Described floating body part component selections polyvinyl chloride ball float and PPR pipe splicing composition, by being connected to form rectangular frame; Described buoyancy aid stirrup portion selects tension geo-grid as whole biologic float bed stirrup, the integrity of effective guarantee buoyancy aid; Described carrier part, mainly comprises geotextile, anti-fish gauze etc.; Select geotextile as the carrier of the nutrition soil body, effectively prevent the loss of the soil body; The object of anti-fish gauze is baited by the fish in water body after preventing the root growth of waterplant from exceeding the guard space of buoyancy aid grid.Above-mentioned three parts utilize the nylon rope of resisting ultraviolet radiation to carry out colligation, and leave and the link interface of monomer floating bed and fixed interface.

Emphasis of the present invention improves the performances such as biologic float bed globality long-term in water body, stability, shock resistance; Bearing load has considered the weight of matrix and the growth-weight gain of plant simultaneously.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 be PPR pipe of the present invention with vinylchlorid ball float link schematic diagram.

In figure, 1, anti-fish gauze, the 2, first geo-grid, 3, the first PPR pipe, the 4, first polyvinyl chloride ball float, the 5, second geo-grid, 6, geotextile, 7, the second PPR pipe, the 8, second polyvinyl chloride ball float, the 9, the 3rd geo-grid, 10, the 3rd PPR pipe, 11, the 3rd polyvinyl chloride ball float, 12, aquatic vegetation, 13, nutrition soil layer.

Embodiment

With reference to accompanying drawing, the many spatial flexible of a kind of complex function are biologic float bed, it is characterized in that: this floating bed is provided with four spaces, first space is root protection space, bottom is anti-fish gauze 1, and form a larger anti-fish with whole framework and sting root protection space, top is made up of the first geo-grid 2; Second space is floating-body space, bottom construction is top first geo-grid in the first space, central structure links the first polyvinyl chloride ball float 4 by the first PPR pipe 3 and forms, Main Function provides biologic float bed buoyancy, form flexible biological floating bed structure, the growing space of root system can also be provided, play a protective role; Top is the second geo-grid 5, provides stirrup effect, ensures the integrity of whole buoyancy aid; 3rd space is soil load space, and bottom construction is top second geo-grid 5 of second space, and on the basis of the second geo-grid 5, cover double-deck geotextile 6, and the control soil body runs off; Central structure links the second polyvinyl chloride ball float 8 by the second PPR pipe 7 and forms and form buoyancy aid, and major function is to provide soil load space, secondly can increase the buoyancy of floating bed; Top is the 3rd geo-grid 9, provides stirrup effect, ensures the integrity of whole buoyancy aid further; 4th space is growing space; bottom construction is the 3rd geo-grid 9 of the 3rd top of space; surrounding utilizes the 3rd PPR pipe 10 to link the 3rd polyvinyl chloride ball float 11 and forms buoyancy aid framework; wrapping is wrapped up by geotextile 6 in outside; form the growing space of aquatic vegetation; and playing the effect of wave resistance, the protection soil body is not flushed away.

feature of the present invention is as follows:

1, select PPR pipe to connect polyvinyl chloride ball float and form buoyancy aid framework, form flexible biological floating bed structure, the impulse force energy that stormy waves brings can be cut down;

2, this floating bed adopt two-way stretch geo-grid be take polypropylene as main raw material(s), by extruding, longitudinal direction, cross directional stretch formed a kind of high-strength stirrup.This material has very large tensile strength in machine and transverse direction, has vital role to the stability of floating bed entirety and shock resistance.

3, biologic float bed general employing cultivation technique without soil, but due to north of china in winter cold, plant cannot survive the winter, and floating bed must be moved away from the water surface, selects indoor wintering on the bank, this adds increased the cost of management maintenance.Consider the weather resistance of floating bed, except selecting cold-resistant perennial emergent, more than this floating bed middle level adopt geotextile to surround the thick Nutrition Soil of carrying 10cm, the barrier properties of geotextile ensures Nutrition Soil not in water leaking-in.For some hardy plant, rhizome can dive into dormancy in Nutrition Soil and survives the winter, and Nutrition Soil is that plant survives in the winter time and provides certain high insulating efficiency.

4, innovate Root growing space and root protection district, middle level has considered growing space and the root protection space of root system of plant with lower part.

Claims

1. the many spatial flexible of complex function are biologic float bed, it is characterized in that: this floating bed is provided with four spaces, the first space is root protection space, and bottom is anti-fish gauze (1), form a larger anti-fish with whole framework and sting root protection space, top is made up of the first geo-grid (2); Second space is floating-body space, bottom construction is the top first geo-grid (2) in the first space, central structure links the first polyvinyl chloride ball float (4) by the first PPR pipe (3) and forms, Main Function provides biologic float bed buoyancy, form flexible biological floating bed structure, the growing space of root system can also be provided, play a protective role; Top is the second geo-grid (5), provides stirrup effect, ensures the integrity of whole buoyancy aid; 3rd space is soil load space, and bottom construction is the top second geo-grid (5) of second space, and on the basis of the second geo-grid (5), cover double-deck geotextile (6), and the control soil body runs off; Central structure links the second polyvinyl chloride ball float (8) by the second PPR pipe (7) and forms and form buoyancy aid, and major function is to provide soil load space, secondly can increase the buoyancy of floating bed; Top is the 3rd geo-grid (9), provides stirrup effect, ensures the integrity of whole buoyancy aid further; 4th space is growing space; bottom construction is the 3rd geo-grid (9) of the 3rd top of space; surrounding utilizes the 3rd PPR pipe (10) link the 3rd polyvinyl chloride ball float (11) to form buoyancy aid framework; outside parcel by geotextile (6) is wrapped up; form the growing space of aquatic vegetation; and playing the effect of wave resistance, the protection soil body is not flushed away.