CN110150038A - A kind of fiber biological blanket with ecological purification function for sloping bank - Google Patents
A kind of fiber biological blanket with ecological purification function for sloping bank Download PDFInfo
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- CN110150038A CN110150038A CN201910437142.7A CN201910437142A CN110150038A CN 110150038 A CN110150038 A CN 110150038A CN 201910437142 A CN201910437142 A CN 201910437142A CN 110150038 A CN110150038 A CN 110150038A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/20—Cultivation on mats
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
- A01G24/46—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to a kind of fiber biological blankets with ecological purification function for sloping bank comprising composite fiber fabric layer (100), absorption filled layer (200), grass seeds fertilizer layer (300) and the biodegradable fiber tissue layer (400) being sequentially stacked from top to bottom；Wherein, composite fiber fabric layer (100) is pierced or is woven with PLA fiber, far IR fibre and fire resistance fibre mixing needle by cotton fiber or flaxen fiber；It adsorbs filled layer (200) and contains micro-porous adsorption filler；Grass seeds fertilizer layer (300) contains vegetable seeds and fertilizer；Biodegradable fiber layer (400) is made of degradable fabric.The present invention optimizes improvement by material to fiber biological blanket and structure, keeps it more excellent to the more existing turf blanket of the removal effect of COD, TN, TP in water, anti-impact biology blanket, and anti-current-rush ability is strong, and protection effect is stablized, fine to SS clean-up effect；Compared with turf blanket, the anti-impact force of fiber biological blanket of the invention is strong, not cracky.
Description
Technical field
It is especially a kind of for sloping bank the present invention relates to the protection of city river sloping bank and pollution of area source purification techniques field
Fiber biological blanket with ecological purification function.
Background technique
Riparian Zone is retention city surface source pollution important defence line together with protection water body, and building ecological riparian is solution face
The effective way of source pollution.There is uncertainty degree is high, and pollution sources are extensive, and pollution is rapidly and influence is serious etc. in city surface source pollution
Feature.Fiber biological blanket plays a crucial role and is widely used in city surface source pollution control as ecological vestige, has
Plant in batch fast-growth, plant can allow property is strong, coverage rate is high, prevention soil and water loss, the small-sized ecosystem easy to form,
There is good retention catharsis to all multi-pollutants such as SS, N and P, has and improve slope stability and water penetration, slope protection cost
It is low, it constructs fast and convenient, the advantages that landscape effect is good becomes novel ecological riparian construction material, but current anti-impact is raw
The design of object blanket is incomplete, there is also: water resistant power impact load is poor, stability is insufficient；Plant growth environment is more demanding, deposits
Motility rate is low, the especially sloping bank that is practically free of organic matter soil such as rock；Due to vegetation growth state difference, adsorption cleaning is retained
Effect is poor；Cracky and be not easily repaired, service life is shorter etc..These problems all seriously limit fiber biological blanket various
The extensive use of sloping bank and universal.Although existing anti-impact biology blanket protection effect is stablized, to COD, TN (total nitrogen), TP (total phosphorus)
Retain the poor effect of purification.Fiber biological blanket is called anti-impact greening blanket, is that the slope protection of urban landscape rivers common at present is raw
The biological blanket of state, be by geotextile, grass seeds, Fertilizer Combination at integrated molding structure.
Therefore, if by optimization structure and composition material be allowed to more effectively to retain purifying contaminated object, construct it is more stable
The good ecosystem extends service life, improves cost performance etc., will be conducive to push fiber biological blanket it is quick it is universal with
Using.
Summary of the invention
(1) technical problems to be solved
In view of the above problems, the present invention proposes a kind of fiber biological blanket with ecological purification function for sloping bank, it can
It improves slope surface impact resistance, the adaptability for enhancing plant, raising and detergent power is retained to the absorption of COD, N and P in sewage, change
Good timber material and structure and reduction maintenance cost, to promote extensive use of the fiber biological blanket on the sloping banks such as river or dam and general
And.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of fiber biological blanket with ecological purification function for sloping bank comprising:
The composite fiber fabric layer (100) that is sequentially stacked from top to bottom, absorption filled layer (200), grass seeds fertilizer layer (300)
And biodegradable fiber tissue layer (400)；Wherein,
Composite fiber fabric layer (100) is to be mixed by cotton fiber or flaxen fiber with PLA fiber, far IR fibre and fire resistance fibre
It closes needle thorn or weaves；
It adsorbs filled layer (200) and contains micro-porous adsorption filler；
Grass seeds fertilizer layer (300) contains vegetable seeds and fertilizer；
Biodegradable fiber layer (400) is made of degradable fabric.
A preferred embodiment according to the present invention, wherein it is described absorption filled layer (200) in micro-porous adsorption filler be
Sepiolite, molecular sieve or zeolite；Preferably sepiolite.
Sepiolite, molecular sieve, zeolite etc. belong to microporous adsorbent material, can promote the retention purification face source of fiber biological blanket
The ability of pollutant, aforementioned microporous adsorbent material can be used alone, and can also be used in mixed way.In addition, other are with micro-porous adsorption energy
The material of power, such as diatom ooze, active carbon can be used as micro-porous adsorption filler.
A preferred embodiment according to the present invention, wherein the vegetable seeds in the grass seeds fertilizer layer (300) is rye grass
Seed.Rye grass has very strong adaptability, and belongs to well developed root system grass plant, protects slope for taking root growth in slope surface
Face.
A preferred embodiment according to the present invention, wherein degradable fabric is wood in biodegradable fiber layer (400)
Pulp fibres fabric.The layer is easy to degrade when meeting water, will not prolonged stay in the soil to environmental effects, degrade simultaneously
Wood-fibred become organic fertilizer, can increase the fertility of soil, nourish careless plant.Grass seeds can be improved in biodegradable fiber layer (400)
In the adaptive faculty and germination percentage of varying environment slope surface, rock sloping bank especially barrenr to organic matter.
A preferred embodiment according to the present invention, wherein the composite fiber fabric layer (100) is fine by cotton fiber and PLA
Dimension, far IR fibre and fire resistance fibre mixing needle thorn weave, or by flaxen fiber and PLA fiber, far IR fibre and
Fire resistance fibre mixing needle is pierced or is woven, or is mixed by cotton fiber and flaxen fiber, PLA fiber, far IR fibre and fire resistance fibre
It closes needle thorn or weaves.
Composite fiber fabric layer (100) plays a part of to support and reinforce fiber biological blanket, it is strong to improve the shock resistance of slope surface waterpower
Degree, prevents erosion.
A preferred embodiment according to the present invention, wherein in the composite fiber fabric layer (100), by weight percent
Meter includes: cotton fiber 0-10%, flaxen fiber 0-10%, far IR fibre 5-10%, acid fiber by polylactic 70-75%, anti-flammability
Fiber 10%, wherein cotton fiber+flaxen fiber=10%.
A preferred embodiment according to the present invention, wherein in the composite fiber fabric layer (100), by weight percent
Meter, consisting of: cotton fiber 10%, far IR fibre 10%, PLA fiber 70% and fire resistance fibre 10%；Alternatively,
Consisting of: flaxen fiber 10%, far IR fibre 10%, PLA fiber 70% and fire resistance fibre 10%.
Composite fiber fabric layer (100) is located at the most surface layer of biological fiber blanket, is covered on absorption filled layer (200), grass seeds
The surface of fertilizer layer (300) and biodegradable fiber layer (400) etc. can play the role of the fixed each layer in lower section, play fiber bone
The effect of frame supports biological blanket overall structure.
(3) beneficial effect
The beneficial effects of the present invention are:
(1) present invention improves the material of fiber biological blanket, and composite fiber fabric layer (100) is fine using cotton fiber or fiber crops
Dimension, far IR fibre, polylactic acid (PLA) fiber and fire resistance fibre mixing needle thorn weave.Cotton fiber and flaxen fiber are to plant
Fibres help avoid plant grass seeds in germination and generate rejection with other fibers with growth, improve the adaptation of plant
Power promotes the development of plant grass seeds and growth, is conducive to quickly improve root system of plant to the retention adsorption capacity of N, P in water.It is remote red
The effect of outer fiber is absorbable solar energy and the ability for emitting far ir ray, to improve the temperature and heat preservation effect of biological blanket
Fruit promotes the germination of plant grass seeds fast-growth.Polylactic acid (PLA) fiber is the material of main part of composite fiber fabric layer, for protecting
The physical properties such as tensile strength and the tearing strength of composite fiber fabric are demonstrate,proved, the anti-hydraulic blow for improving fiber biological blanket is made
With prolonging the service life.Fire resistance fibre has certain flame retardant effect, because composite fiber fabric layer (100) is that fibrous material is compiled
It knits or needle thorn is made, there are certain fire to cause danger, and the fire resistance fibre that certain mass ratio is added can be to a certain extent
Slow down the rate of propagation of the intensity of a fire.
Composite fiber fabric layer (100) transverse tensile strength, cross direction elongation, longitudinal average tensile strength, tear it is flat
The equal data such as elongation and bursting elongation have preferable performance.
(2) continue that fiber biological blanket of the invention is laid on slope surface simultaneously 10~15 DEG C of month in monthly mean temperature
Fixed, the practical germination of grass seeds of fiber biological blanket of the invention is more satisfactory.Illustrate fiber biological blanket of the invention by pair
The selection of material and the improvement of structure have been effectively ensured grass seeds germination in biological blanket and have survived situation.
(3) it is proved through simulated rainfall runoff comparative experiments, fiber biological blanket of the present invention, absorption filled layer and grass seeds fertilizer
Layer synergistic effect, it is more excellent to the more existing turf blanket of the removal effect of COD, TN, TP in water, anti-impact biology blanket.
(4) through simulated rainfall runoff it is demonstrated experimentally that compared with bare slope, the impact resistance of fiber biological blanket of the invention
By force, protection effect is stablized, fine to SS clean-up effect；Compared with turf blanket, the anti-impact force of fiber biological blanket of the invention is strong,
Not cracky.
(5) fiber biological blanket of the invention can improve water flow impact strength in the case where not influencing plant growth, increase
Its strong stability；On the poor sloping bank of soil condition be applicable in, can reinforcing fiber biology blanket middle plant germination percentage and survival
Rate, especially afforested on the special sloping bank such as rock, slope protection and purification face source sewage.The present invention is by improveing biological blanket
Structure and material selects, acceleration plant germination and raising survival rate, and the fast-growth of careless plant is in great numbers conducive to reinforcement life
Retention adsorption cleaning ability of the object blanket to COD, TN etc..Fiber biological blanket anti-current-rush power of the invention is strong, not cracky, hold
It is durable long, extend its service life, improves the overwintering or Summer-over rate of plant.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the fiber biological blanket with ecological purification function of sloping bank.
Fig. 2 be for studying the slope protection of fiber biological blanket, pollutant shuts off the simulated experiment schematic diagram of detergent power.
[description of symbols]
100- composite fiber fabric layer, 200- adsorb filled layer, 300- grass seeds fertilizer layer, 400- biodegradable fiber layer.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
As shown in Figure 1, being used for the fiber biological blanket with ecological purification function of sloping bank for the present invention comprising: from upper
Composite fiber fabric layer 100, absorption filled layer 200, grass seeds fertilizer layer 300 and the biodegradable fiber tissue layer being sequentially stacked under
400；Wherein, composite fiber fabric layer 100 is to be mixed by cotton fiber or flaxen fiber with PLA fiber, far IR fibre and fire resistance fibre
It closes needle thorn or weaves；It adsorbs filled layer 200 and contains micro-porous adsorption filler；Grass seeds fertilizer layer 300 containing vegetable seeds and
Fertilizer；Biodegradable fiber layer 400 is made of degradable fabric.
Preferably, adsorbing the micro-porous adsorption filler in filled layer 200 is sepiolite, molecular sieve or zeolite；It is preferably extra large
Afrodite.These microporous adsorbent materials can promote the ability of the retention purification area source pollutants of fiber biological blanket, aforementioned micro-porous adsorption
Material can be used alone, and can also be used in mixed way.
Preferably, the vegetable seeds in the seed manure bed of material 300 is ryegrass seed.Rye grass has very strong adaptability, and
Belong to well developed root system grass plant, protects slope surface for taking root growth in slope surface.
Preferably, fabric degradable in biodegradable fiber layer 400 is wood pulp cellulose fabric.The layer when meeting water very
Be easy degradation, will not prolonged stay in the soil to environmental effects, while the wood-fibred degraded becomes organic fertilizer, can increase
The fertility of soil nourishes careless plant, improves grass seeds in the adaptive faculty and germination percentage of varying environment slope surface.
Preferably, composite fiber fabric layer 100 is to be mixed by cotton fiber with PLA fiber, far IR fibre and fire resistance fibre
Needle is pierced or is woven, or is pierced or woven with PLA fiber, far IR fibre and fire resistance fibre mixing needle by flaxen fiber, or
It is pierced or is woven with flaxen fiber, PLA fiber, far IR fibre and fire resistance fibre mixing needle by cotton fiber.
It is further preferred that in composite fiber fabric layer 100, cotton fiber 0-10wt%, flaxen fiber 0-10wt%, cotton fiber
+ flaxen fiber=10wt%, far IR fibre 5-10wt%, acid fiber by polylactic 70-75wt%, flame retardant fiber 10wt%.
Composite fiber fabric layer 100 is located at the most surface layer of biological fiber blanket, is covered on absorption filled layer 200, grass seeds fertilizer
Layer 300 and the equal surface of biodegradable fiber layer 400, can play the role of each layer below fixed, play fiber skeleton,
Support biological blanket overall structure.
Horizontal, longitudinal tensile strength and extensibility, stretching are done to the composite fiber fabric layer 100 of different formulations composition below
Tear percentage and the test of bursting percentage.
The composite fiber fabric layer quantitative measurement experiment of difference composition
The formula mixed species and ratio of composite fiber fabric layer are as shown in table 1 below:
1 composite fiber fabric layer composition ratio table of table
Table1 Scale of mixed New Fibers
Physical parameter the result statistics such as the following table 2 of the above composite fiber fabric layer:
2 physical parameter result statistical form of table
Table2 Statistical tables of physical parameters
Shown according to 2 data of table: be wherein formulated 1. with formula 3. grammes per square metre and other two kinds of fibre plants layer (formula 2. and
Formula is 4.) similar in situation every tensile strength, elongation, the tearing percentage when performances such as bursting percentage compared with
It is good.Therefore formula is chosen 1. with formula 3. for making the first layer of preferred embodiment of the present invention fiber biological blanket, made with sepiolite
To adsorb filler, the second layer of preferred embodiment of the present invention fiber biological blanket is made, ryegrass seed and fertilizer form third
Layer, wood pulp cellulose tissue layer form the 4th layer, respectively obtain new cotton fiber biological blanket (the corresponding 3# of the preferred embodiment of the present invention
Slope surface) and novel flaxen fiber biology blanket (corresponding 2# slope surface).
The slope protection retention purification simulation experiment of different biology blankets
1, experiment purpose
It tests opposite after germination of the grass seeds of different biological blankets under the conditions of same external, simulation rainfall on slope land runoff
The removal effect of SS, COD, ammonia nitrogen, TN, TP in raw water, it is more different biology blankets protection effect and area source pollutants are cut
Stay purification clean-up effect.
2, group is tested
Turf blanket (corresponding 1# slope surface), anti-impact biology blanket (corresponding 4# slope surface), novel flaxen fiber biology blanket (the corresponding slope 2#
Face), new cotton fiber biological blanket (corresponding 3# slope surface), bare slope (corresponding 5# slope surface), totally 5 groups are arranged altogether.
3, experimental material
New cotton fiber biological blanket, novel flaxen fiber biology blanket, anti-impact biology blanket, turf blanket: by Shandong Tian Hai green wood
Expect Co., Ltd's production and provides.
Autoclave diaphragm pump machine, drinking-water pipe and outlet pipe: it is all from Xinghua City and prances the wholesale Co., Ltd of sprayer.
Water distribution uniformity pipe: come free blue whale Shui nationality Co., Ltd.
Aluminum direction board: balcony Zhi Heng Automobile Products Co., Ltd is come from.
4, experimental method
4.1, experimental model (as shown in Figure 2)
As shown in Fig. 2, for simulated rainfall runoff experiment slope surface model.In one section of slope surface of same Experimental Base, edge
The extending direction of sloping bank separates out 5 groups of this kind of slope surface models, every group of slope surface long 3m, width 2m, respectively in 1-5# slope surface site altogether
It is laid with new cotton fiber biological blanket (3# slope surface), novel flaxen fiber biology blanket (2# slope surface), anti-impact biology blanket (4# slope surface), turf
Blanket (1# slope surface), and it is not laid with the bare slope (5# slope surface) of biological blanket.
Use narrow meshed pvc pipe as water distributor to realize water distribution uniformity in top of the slope, on water distributor between each water distributing pore
Away from for 3cm, a gully is dug in slope foot and will constitute sampling groove in gully bottom layer overlay plastic fresh-keeping membrane, for collecting water
For water intaking analysis test.Specific schematic diagram is as shown in Figure 2.
4.2, points for attention in experimentation
(1) investigation confirmation soil property if appropriate for plant growth, slope surface need to keep smooth, smooth, stable, topsoil extremely
It is greater than the building stones of 4cm in the soil of 10cm depth without diameter, building stones of the diameter greater than 2cm are no more than 10%, to ensure that soil is available
In plant growth；
(2) the laying time is preferably selected monthly mean temperature and continues in 10~15 DEG C of month, such as October；
(3) it after the completion of being laid with, not walk about above before vegetation is completely covered；
(4) according to on-site actual situations, necessary maintenance management is carried out；
(5) presser feet above swims over to downstream, transverse and longitudinal lap is advisable with 5cm width from slope foot to top of the slope when being laid with.
4.3, it is laid with step
This experiment digged to slope surface and is carried out smooth on October 29th, 2018, and loosening the soil facilitates plant germination and bundle
Root.Then it is laid with fiber biological blanket (2#, 3# slope surface) in slope surface and is followed closely with L-type and is fixed with ABS fixing glue, to anti-impact is raw
Object blanket (4# slope surface) is fixed on side slope；L staple is for fixing anti-impact biology blanket (4# slope surface).ABS fixing glue prevents each life
Object blanket gravity, wind-force, the fluid force the effects of under obscission occurs.
Experiment is safeguarded according to soil moisture condition under biological blanket at interval of watering in 1-2 days after October 29 was laid with, and is watered
Sprayer need to be used to carry out dispersed uniformly to water, when grass seeds did not germinateed or just germinated early period, grass seeds or seedling are more crisp
Weak, irrigation amount is excessive or too quickly easy influence grass seeds germination percentage.To December 10,4 kinds of biological blankets (1# slope surface, 2# slope surface, the slopes 3#
Face, 4# slope surface) there is grass seeds germination, the wherein novel flaxen fiber biology blanket germination percentage highest of 2# slope surface.
4.4, sampling method
It is conserved respectively after laying 10 days, carries out rainfall on slope land runoff and leak water simulated experiment, the specific plant for observing each group slope surface
Object growing state, including germination percentage and level of coverage, are counted and are photographed to record to it daily.According to different rainfall journeys
Degree designs different peristaltic pumps and draws water flow velocity the case where carrying out simulated rainfall, by rain fall be divided into, 2 kinds of situations of heavy rain, water
Respectively 150L, 300L, flow velocity are respectively 5L/min and 10L/min, start to sample after slope surface forms runoff.When sampling, directly
It picks up inside branch creek as raw water.Sample number is that 2 × 5 (slope surface of corresponding 1~5# slope surface, each site samples 2) are total
10 samples and former branch creek 1, sewage, total every batch of takes 11 samples.
First sample, acquisition on November 16th, 2018 second batch sample are acquired on November 14th, 2018.Totally 22 samples
Product, 1-0 are one, two batch of water sample raw water with 2-0 two, and Z, D represent moderate rain and heavy rain.The first digital representation samples batch, tail portion
1~5# of number is corresponding in turn to as turf blanket 1#, novel flaxen fiber biology blanket 2#, new cotton fiber biological blanket 3#, anti-impact life
Object blanket 4# and bare slope 5#.
4.5, test index and test method
This experiment test index is pH, SS, dissolved oxygen, COD, total nitrogen, total phosphorus, ammonia nitrogen and heavy metal element.Specific test
Index and method such as table 3.
Table 3: test index and method
4.6, experimental result:
This 5 groups of simulated experiments, the test sample of 2 sub-samplings is as a result, ginseng is shown in Table 4.
4 simulated experiment test result of table
According to result above
In the data result of SS, the SS value of the water of the bare slope sampling of 5# is gone straight up to by the SS=15mg/L of raw water
3676.4179mg/L, illustrates bare slope severe water and soil erosion, and 1# (turf blanket) is resisted due to the relatively thin cracky of monolayer grass wolfskin
Impact force is poor, therefore SS numerical value is also increased in the water of 1# slope surface sampling.But the novel flaxen fiber biology blanket of 2# and 3#'s is new
Type cotton fiber biology blanket, 4# anti-impact biology blanket because fiber impact resistance it is strong, protection effect stablize, therefore to SS clean-up effect compared with
It is good.
In the data result of COD, the COD elevated-levels of 5# (bare slope) are maximum, and 1# (turf blanket) is also increased,
4# (anti-impact biology blanket) is increased by a small margin, the COD concentration numbers of 2#, 3# (novel flaxen fiber biology blanket, new cotton fiber biological blanket)
Decline situation is presented in value, and wherein 2# (novel flaxen fiber biology blanket) is best to the clean-up effect of COD.
TN (total nitrogen), TP (total phosphorus) data result in, 2#, 3# (novel flaxen fiber biology blanket, new cotton fiber biological
Blanket) to be cut down, the dissolution degree of 5# (bare slope) is more serious, and 1# (turf blanket) dissolution concentration is lighter, 4# (anti-impact biology
Blanket) to TN, TP without purification rejection effect.Thus illustrate, 2#, 3# (novel flaxen fiber biology blanket, new cotton fiber biological blanket) are right
The removal effect of ammonia nitrogen is preferable.Phosphate and nitrate nitrogen because in raw water concentration it is lower, 5 other clean-up effects of group and pollution
It is unobvious that object dissolves out situation.
Fiber biological blanket is optimized in the present invention in terms of structure and material two, to the compound of fiber biological blanket
Fiber fabric layer 100 has carried out physical parameter test, and it is (novel flaxen fiber biology blanket, new to filter out two kinds of tencel biology blankets
Type cotton fiber biology blanket), to two kinds of tencel biology blankets (2#, 3# slope surface) and anti-impact biology blanket (4# slope surface), turf blanket (1#
Slope surface) and bare slope (5# slope surface) carried out ecological slope protection simulated experiment, experimental result is shown, flaxen fiber biology of the invention
The clean-up effect and physical function parameter of blanket and cotton fiber biology blanket are preferable, and especially flaxen fiber biology blanket is most preferably square
Case.Fiber biological blanket of the invention, since it is limited to the retention purification of the pollutants such as TN, TP, removal ability, preferably with branch creek
The cooperation of water ecology purification techniques forms multistage barrier ecological purification technology, with more high-efficient purification city surface source pollution.
Claims (8)
1. a kind of fiber biological blanket with ecological purification function for sloping bank, characterized in that it comprises:
The composite fiber fabric layer (100) that is sequentially stacked from top to bottom, absorption filled layer (200), grass seeds fertilizer layer (300) and can
Degradation of fibers tissue layer (400)；Wherein,
Composite fiber fabric layer (100) is by cotton fiber or flaxen fiber and PLA fiber, far IR fibre and fire resistance fibre mixing needle
It pierces or weaves；
It adsorbs filled layer (200) and contains micro-porous adsorption filler；
Grass seeds fertilizer layer (300) contains vegetable seeds and fertilizer；
Biodegradable fiber layer (400) is made of degradable fabric.
2. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 1, feature exist
In the micro-porous adsorption filler in absorption filled layer (200) is sepiolite, molecular sieve or zeolite.
3. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 1, feature exist
In the vegetable seeds in the grass seeds fertilizer layer (300) is ryegrass seed.Rye grass has very strong adaptability, and belongs to
Well developed root system grass plant protects slope surface for taking root growth in slope surface.
4. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 1, feature exist
In degradable fabric is wood pulp cellulose fabric in biodegradable fiber layer (400).
5. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 1-4,
It is characterized in that, the composite fiber fabric layer (100) is mixed by cotton fiber with PLA fiber, far IR fibre and fire resistance fibre
Needle is pierced or is woven, or is pierced or woven with PLA fiber, far IR fibre and fire resistance fibre mixing needle by flaxen fiber,
Or it is pierced or is woven with flaxen fiber, PLA fiber, far IR fibre and fire resistance fibre mixing needle by cotton fiber.
6. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 5, feature exist
In including by mass percentage in the composite fiber fabric layer (100): cotton fiber 0-10%, flaxen fiber 0-10%, far
Infrared fibre is 5-10%, acid fiber by polylactic 70-75%, flame retardant fiber 10%, wherein cotton fiber+flaxen fiber=10%.
7. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 6, feature exist
In in the composite fiber fabric layer (100), by mass percentage, consisting of: cotton fiber 10%, far IR fibre
10%, PLA fiber 70% and fire resistance fibre 10%；Alternatively, consisting of: flaxen fiber 10%, far IR fibre 10%, PLA are fine
Dimension 70% and fire resistance fibre 10%.
8. a kind of fiber biological blanket with ecological purification function for sloping bank according to claim 7, feature exist
In the micro-porous adsorption filler in absorption filled layer (200) is sepiolite.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113557873A (en) * | 2021-08-26 | 2021-10-29 | 齐齐哈尔大学 | Precision seeding environment-friendly bowl body seedling raising tray and preparation method thereof |
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| CN113557873B (en) * | 2021-08-26 | 2024-03-26 | 齐齐哈尔大学 | Environment-friendly bowl-shaped seedling raising tray for precision seeding and preparation method thereof |
| CN115518622A (en) * | 2022-10-26 | 2022-12-27 | 武汉纺织大学 | One-way adsorption and deformable matrix material for wetland restoration and preparation method thereof |
| CN115518622B (en) * | 2022-10-26 | 2023-11-07 | 武汉纺织大学 | Unidirectional adsorption deformable matrix material for wetland restoration and preparation method thereof |
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