CN201777934U

CN201777934U - Continuous adjustable submerged plant planting net bed

Info

Publication number: CN201777934U
Application number: CN2010202895371U
Authority: CN
Inventors: 何培民; 何文辉; 王阳阳; 霍元子; 何建华; 张婷
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University; Shanghai Ocean University
Priority date: 2010-08-12
Filing date: 2010-08-12
Publication date: 2011-03-30
Anticipated expiration: 2020-08-12

Abstract

The utility model relates to a continuous adjustable submerged plant planting net bed which is formed by mutually connecting net bed units; and each net bed comprises a bed body constituted by double-layer guy ropes, a planting trough, a solid anchor, a regulating ring, a buoyancy device and the like, wherein outer frames of the bed bodies, that is the buoyancy devices are constituted by adopting floats or Mao bamboo, and the solid anchors (iron piles) are fixed at the bottom part of a water body and connected with the bed bodies through adjustable pull wires. The underwater position of the bed body can be controlled by regulating the pull wires according to the changes in water depth and transparency. The plant gripping planting method or the planting method in the planting trough with a matrix can be selected according to the type of aquatic plants. The planting trough of the aquatic plants adopts a waste mineral water bottle to add filler. The continuous adjustable submerged plant planting net bed can adjust the econiche of the aquatic plants according to the transparency of the water body, and solve the limitations of light compensation depth, transparency and other factors in the recovery of submerged plants in the sediment type water body with lower transparency and the hard bottom quality type water body on the growth of the submerged plants; furthermore, the continuous adjustable submerged plant planting net bed has simple structure and good water purification effect.

Description

A kind of continuous adjustable submerged plant plantation net bed

Technical field

The utility model relates to the river course and lake ecological is repaired the field, relates in particular to the restoration of the ecosystem field of the lower mud type of transparency, hard die bed water body.

Background technology

At present, the most of river course of China, lake ecological environment worsen, and cause the distribution area atrophy of submerged plant, the simplification of structure of community trend.The decline of submerged plant can cause that food chain shortens in the ecosystem, food web is simplified and species diversity reduces, thereby make the whole ecological system become comparatively fragile, add a large amount of inputs of nitrogen (nitrogen), phosphorus nutritive substances such as (phosphorus), body eutrophication is serious, and bloom blue algae frequently breaks out.

Submerged vegetation can by absorbed nitrogen phosphorus and gram come into force the reply eutrophication water carry out effective for repairing.Photosynthesis is the most important Metabolic activity of submerged plant.The photosynthesis of submerged plant is subjected to the restriction of low light photograph usually.Because the influence of water body solute, suspended particle and the depth of water, solar luminous energy is decayed rapidly, in addition in the loss (about 10%) of air and water intersection, and the easiest generation in water body of the insufficient phenomenon of illumination.It is generally acknowledged, 1% o'clock of the not enough incident light of water-bed light intensity, submerged plant just can not be settled down.Photosynthetic features such as the photosynthetic light compensation point of submerged plant have determined full depth and photosynthetic yield and competitive capacity that submerged plant can distribute under water.

Because the whole plants body is immersed in the water fully, it is the most obvious to be subjected to coercing of the water surrounding factors such as transparency, substrate, stormy waves.The polluted-water transparency is low, illumination deficiency under water, and submerged plant can't obtain enough luminous energy.When the disaster that runs into unexpected generation, cause that as flood lake level raises, submerged plant is often because of can not get competent illumination, can not carry out normal photosynthetic and respiration and death gradually, and finally cause the depletion of submerged vegetation group.Therefore, although the example that aquatic vegetation recovers is a lot, the system of group of restore vegetation often is difficult to stable survival.At present China also still none lake realized the recovery fully of the ecosystem.How to recover submerged plant, newly-built population conformed change and environmental disaster, and progressively tend towards stability, this is the key that submerged vegetation recovers.

Existing floating bed technology is to utilize the waterplant of planting on the water surface floatable bed body and bed body, root system by plant filters and absorption pollutants in sewage matter, this technology is apparent in view to the decontamination effect improving of eutrophication water quality, but the plant on the floating bed only limits to the emergent and the floatingleaved plant that can surface, and has ignored the cleaning action of submerged plant in water body.There is the investigator to propose the notion of Liftable type floating bed, as publication number is that the denomination of invention of (CN 201031181Y) is " biological sewage treatment liftable artificial plant floating bed and making method and a using method ", having introduced a kind of is the liftable artificial plant floating bed of process object with middle micro polluted source, but this technology is mainly used in and solves the problem that floating bed can't be survived the winter, and does not still have and considers the low restriction to submerged plant growth of transparency.Also have the investigator to propose gradually heavy formula mattress technology, and difference is hung the degree of depth done and transplant experiment, but the shortcoming of this method is with the rising of water level and reduces and need irregular labor management, operational difficulty and loaded down with trivial details.The utility model keeps the bed body in the fixed degree of depth under water by buoyant device and adjustable backguy.

The utility model content

The utility model for solve submerged plant recover in factors such as light level of compensation, transparency to the restriction of submerged plant growth.By the set buoyant device of the spud pile and the water surface under water, regulate the position of submerged plant in water at light level of compensation vertical space, promptly connect spud pile, bed body and buoyant device under water by backguy, regulate backguy length with realization bed body and spud pile, and then realized that submerged plant can continuously change ecological niche with water level, transparency etc.The technical solution adopted in the utility model is as follows:

The utility model is interconnected by the net bed unit and forms; Every net bed unit is made up of bed body, planting groove, solid anchor and regulating ring, buoyant device etc.The external frame of bed that wherein double-deck guy wire is formed is that buoyant device adopts float or mao bamboon to fix, and each body rectangle housing length is 4: 3 with wide ratio.Solid anchor (iron stake) is fixed on water bottom, and the backguy by adjustable length is connected with a bed body.According to the depth of water and transparency change, control the submarine site of a body by regulating backguy.Select the planting groove plantation method of folder seedling planting method and carrying substrates according to the kind of waterplant.The water plant planting groove adopts the depleted mineral water bottle to add filler.

Beneficial effect

Advantage of the present utility model is: with low cost and intensity is high, mao bamboon is corrosion-resistant, place for a long time also can not be out of shape in the water or rot, and have enough toughness, supporting power is big, sound construction; The buoyant device may command bed body degree of depth can be kept the required degree of depth of a body under the situation of water level rising or reduction, and can not exceed its light level of compensation; Can plant according to plantation of different choice planting groove or the folder seedling method of selected plant, or select different net bed modes of emplacements according to the water pollution degree.Solved of the restriction of factors such as light level of compensation during submerged plant recovers in the lower mud type water body of transparency, the substrate hard type water body, transparency to submerged plant growth,

Description of drawings

Further specify the utility model below in conjunction with accompanying drawing and case study on implementation.

Fig. 1 net bed unit synoptic diagram;

Fig. 2 net bed front view;

Fig. 3 net bed vertical view;

Fig. 4 modes of emplacement synoptic diagram (horizontal positioned);

Fig. 5 modes of emplacement synoptic diagram (tilting to place).

Number in the figure:

1, backguy 2, bed body 3, solid anchor (iron stake) 4, net bed unit

5, float (mao bamboon) 6, planting groove 7, buoyant device 8, regulating ring 9, double-deck guy wire

Embodiment

Below by a case study on implementation, further specify the utility model.

The iron stake 3 of river bed and the degree of depth of backguy 1 adjusting net bed unit 4 are fixed in the utility model employing, regulate the termination and are fixed on the buoyant device 7, are convenient to operate at the water surface.(see figure 1) is that buoyant device 7 is a material with mao bamboon 5 as the housing of bed body 2; can increase its buoyancy; the long x of each body of the utility model is wide to be 4Mx3M; between the grid of the double-deck guy wire 9 in the bed body 2; the fixing water plant planting groove made from waste and old mineral water bottle 6; stopping composition such as (seeing Fig. 2, Fig. 3) built-in rubble, sand grains or bed mud, submerged plant can be planted in planting groove, also can adopt folder seedling method to be fixed on the net bed.

The planting patterns of waterplant can be selected folder seedling method or planting groove planting method according to growth characteristics and the viability of plant, the submerged plant that can sprout the stem sprouting as waterweed, hydrilla verticillata etc. can lie in the whole plant that has root on the net bed, eel grass etc. then need be selected planting groove, provide necessary substrate to plant.Along with the raising of water transparency, the timely adjustment net bed degree of depth finally realizes the fast quick-recovery of submerged plant.

At narrow, dark type silt water body, the river course upstream that transparency is lower can be provided with the more shallow net bed degree of depth, upstream increases the net bed degree of depth successively, and according to channel width the zig-zag discharging modes is set, to avoid influencing the navigation channel.Modes of emplacement can select horizontal positioned (see figure 4) and inclined-plane to place two kinds of (see figure 5)s, and the bed of whenever throwing the net can select one or more to plant simultaneously.Wherein, the inclined-plane gradient is placed, and can effectively save the space, makes cross section, whole river course form one deck plant filter screen, and effect is better in the little river course of flow velocity.

Claims

1. a continuous adjustable submerged plant plantation net bed is characterized in that it is interconnected by net bed unit (4) and forms; Every net bed unit (4) is made up of bed body (2), planting groove (6), solid anchor (3) and regulating ring (8), buoyant device (7) etc.; Bed body (2) housing that wherein double-deck guy wire (9) is formed is buoyant device (7), adopts mao bamboon (5) fixing; Described solid anchor (3) is fixed on water bottom, and the backguy (1) by adjustable length is connected with a bed body (2), and the adjusting termination is fixed on the buoyant device (7).

2. net according to claim 1 bed is characterized in that: fixing planting groove (6) between the grid of the double-deck guy wire (9) in the described bed body (2).

3. net bed according to claim 1, it is characterized in that: described each body (2) housing is a rectangle, long and wide ratio is 4: 3.