CN108865150A - Sand-consolidating agent and preparation method thereof, application method and application - Google Patents
Sand-consolidating agent and preparation method thereof, application method and application Download PDFInfo
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- CN108865150A CN108865150A CN201810612570.4A CN201810612570A CN108865150A CN 108865150 A CN108865150 A CN 108865150A CN 201810612570 A CN201810612570 A CN 201810612570A CN 108865150 A CN108865150 A CN 108865150A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/32—Prepolymers; Macromolecular compounds of natural origin, e.g. cellulosic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The present invention provides sand-consolidating agent and preparation method thereof, application method and applications, are related to field of environment engineering technology.The sand-consolidating agent component includes heteroglycan and cellulose derivative；Heteroglycan and the mass ratio of cellulose derivative are (5~15)：(0.5~5).The sand-consolidating agent alleviates that lack a kind of Water-saving effect in the prior art good, and it is able to maintain land fertility, while it is blocking to guarantee that the sandy soil after applying in soil do not cohere, and can degrade in nature, and the technical issues of free from environmental pollution sand-consolidating agent, the present invention also provides the preparation methods of sand-consolidating agent；In addition, the present invention also provides the application method of sand-consolidating agent, the sand-consolidating agent, the preparation of sand-consolidating agent preparation method to sand-consolidating agent, sand-consolidating agent application method can check winds and fix drifting sand in sandy land agricultural planting, forestry, desertification improvement is applied in field.
Description
Technical field
The present invention relates to field of environment engineering technology, in particular to a kind of sand-consolidating agent and preparation method thereof, user
Method and application.
Background technique
Desertification is the significant Global ecological environment problem that current mankind faces, and desertification area is often accompanied by earth's surface arid
With the ecological problems such as soil erosion, and then cause agriculture and forestry problem, seriously hinder the growth and development of green plants and crops,
It causes to be short of seedling, the underproduction and phenomena such as death, causes great harm to national economy and social development.
The sand fixation material that the prior art uses has emulsified asphalt, phenolic resin, Lauxite, polyacrylamide, butadiene-styrene rubber
Cream etc., can be to desert since it is difficult to degrade in nature although can play the purpose checked winds and fixed drifting sand after application
Area pollutes, and complicated component, prepares difficult, higher cost.In addition, compound life made of useful domestic sludge at present
The report of state sand-consolidating agent is to be uniformly mixed organic polymer with sodium salt, the domestic sludge after comminution pretreatment is added, dry,
Obtain mixture；Before sand-consolidating agent, mixture is uniformly mixed with drought-resistant algae to get compound life made of domestic sludge
State sand-consolidating agent.But its amount of application is larger, and sand-consolidating agent sprinkling thickness need to reach 0.5-5cm, at high cost, needs to apply water 20- after sprinkling
30 days, water resource is greatly wasted, Water-saving effect is poor, does not also increase the effect of soil fertility；Therefore, a kind of application is developed
It measures that small, Water-saving effect is good, and is able to maintain land fertility, and can degrade in nature, do not cause the product that fixes the sand of environmental pollution
And method, there is important practical value.
In view of this, the present invention is specifically proposed.
Summary of the invention
One of the objects of the present invention is to provide a kind of sand-consolidating agent, which includes that heteroglycan and cellulose are derivative
Object；Heteroglycan and the mass ratio of the cellulose derivative are (5~15)：(0.5~5).The sand-consolidating agent adhesiveness is good, and water conservation is protected
Fertilizer efficiency fruit is good, and so that sandy soil is agglomerated, and amount of application is small, and can degrade in nature, free from environmental pollution；In addition, the sand-consolidating agent
It is at low cost.
The second purpose of the present invention is to provide the preparation method of above-mentioned sand-consolidating agent, the preparation method of the sand-consolidating agent presses formula ratio
Heteroglycan is mixed with cellulose derivative, simple process, the used time is short.
The three of the object of the invention are to provide the application method of above-mentioned sand-consolidating agent, and the application method of the sand-consolidating agent is by sand-consolidating agent
It imposes on soil surface layer and waters, amount of application is small, easy to operate easy to spread.
The fourth object of the present invention, which is to provide above-mentioned sand-consolidating agent, the preparation method of above-mentioned sand-consolidating agent is prepared fixes the sand
The application method of agent or above-mentioned sand-consolidating agent is checked winds and fixed drifting sand in sandy land agricultural planting, forestry or desertification administers field
Using.
In order to realize above-mentioned purpose of the invention, spy uses following technical scheme：
In a first aspect, providing a kind of sand-consolidating agent, sand-consolidating agent component includes heteroglycan and cellulose derivative；Heteroglycan with
The mass ratio of cellulose derivative is (5~15)：(0.5~5).
Preferably, on the basis of the present invention program, the mass ratio of heteroglycan and cellulose derivative is (6~12)：(0.5
~2)；Preferably (8~10)：(0.5~1.5), further preferably 9:1.
Preferably, on the basis of the present invention program, heteroglycan is the heteroglycan that hexose and/or pentose are polymerized, preferably
The heteroglycan that the heteroglycan or hexose and pentose being polymerized for hexose are polymerized；Further preferably hexose is polymerized
Heteroglycan.
Preferably, on the basis of the present invention program, heteroglycan includes sesbania gum and/or Artemisia Glue；Preferably sesbania gum.
Preferably, on the basis of the present invention program, cellulose derivative includes cellulose ether and/or carboxymethyl cellulose
Salt, preferably carboxymethyl cellulose salt, further preferably sodium carboxymethylcellulose；
Preferably, cellulose ether includes methylcellulose, ethyl cellulose, propyl cellulose, hydroxyethyl cellulose, hydroxypropyl
One or more of base cellulose or hydroxypropyl methyl cellulose, preferably hydroxyethyl cellulose.
Preferably, on the basis of the present invention program, hexose includes one of glucose, galactolipin or mannose or several
Kind；
Preferably, pentose includes arabinose and/or xylose.
Second aspect provides the preparation method of above-mentioned sand-consolidating agent, includes the following steps：Heteroglycan and cellulose is derivative
Object mixing, obtains sand-consolidating agent.
The third aspect provides the application method of above-mentioned sand-consolidating agent, includes the following steps：Sand-consolidating agent is imposed on into soil surface layer
And it waters.
Preferably, on the basis of the present invention program, include the following steps：Sand-consolidating agent is imposed on into soil surface layer, mixing is fixed the sand
The sandy soil of agent and soil surface layer, then water；
Preferably, the sandy soil on soil surface layer are 0~30cm of soil surface layer and do not include the sandy soil of 0cm, preferably 0~25cm
And not include 0cm sandy soil, further preferably 0~20cm and do not include 0cm sandy soil.
Preferably, the application of sand-consolidating agent with a thickness of 0~0.1cm and does not include 0cm, preferably 0.002~0.1cm, into one
Step is preferably 0.003~0.1cm.
Fourth aspect provides above-mentioned sand-consolidating agent, the sand-consolidating agent that the preparation method of sand-consolidating agent is prepared or sand-consolidating agent
Application method sandy land agricultural planting, forestry check winds and fix drifting sand or desertification improvement field in application.
Compared with the prior art, the present invention has the advantages that：
(1) sand-consolidating agent component of the invention includes heteroglycan and cellulose derivative；Heteroglycan and cellulose derivative
Mass ratio is (5~15)：(0.5~5)；Heteroglycan belongs to the polysaccharide that two or more monosaccharide is polymerized by glycosidic bond
Substance since heteroglycan is polymerized by multiple monosaccharide, and contains a large amount of hydroxyl in monosaccharide, hydroxyl and water form hydrogen bond,
Mutually absorption, therefore there is certain vicidity after absorption moisture, it is strong with water binding ability due to its polyhydroxy structure, i.e.,
Stickiness is strong, unless breaking hydroxyl and water formation hydrogen bond, just will lead to sugar without stickiness, can absorb moisture, therefore can be with sand
Soil coheres, so that sandy soil be made to have certain viscosity；Cellulose derivative has good water imbibition, and it is enough rapidly by water to meet water energy
Divide and absorb, and there is extremely strong water retaining function, applies it in sandy soil, when applying certain moisture to sandy soil, fiber
Plain derivative can generate rapidly certain stickiness, can bond to together with sandy soil, and heteroglycan used in conjunction with meets water
Stickiness is also stronger, and therefore, applying a small amount of this sand-consolidating agent is that can reach to be attached to effect together with sandy soil.Heteroglycan and fibre
Plain derivative fit applications are tieed up in fixing the sand, the interaction relationship between sandy soil particle can be fundamentally changed, make sandy soil
The pellet pores structure with cohesion is formed, using this kind of sand-consolidating agent, fertilizer and moisture can be made in sandy soil because of its cohesiveness
And the characteristics of adhesion, is difficult to be lost, the performance of the stabilization and storage moisture, nutrient that have sandy soil as soil passes through control
Compound proportion processed can be such that sandy soil do not cohere blocking, while the solid condition of growth can be provided for plant.Meanwhile heteroglycan
Can be used as food additives use with cellulose derivative, and can natural degradation in the environment, due to belonging to carbohydrate object
Matter is easily utilized and then is degraded by the microorganism in soil, environmentally protective, does not have any harm to environment, heteroglycan exists
Be widely present in animals and plants, heteroglycan content is high especially in plant, and extract from straw heteroglycan cost compared with
It is low.
(2) preparation method of sand-consolidating agent of the invention is mixed heteroglycan with cellulose derivative by formula ratio, technique letter
Single, the used time is short.Sand-consolidating agent is imposed on soil surface layer and watered by the application method of sand-consolidating agent of the invention, and amount of application is small, operation letter
It is single easy to spread；In addition, the application method of sand-consolidating agent of the invention, sand-consolidating agent preparation method or sand-consolidating agent can be in sandy land
Agricultural planting, forestry are checked winds and fixed drifting sand to be applied in desert treatment field.
Detailed description of the invention
Fig. 1 is that 1-7 of the embodiment of the present invention, comparative example 1-4 and control group composite soil surface layer to 20cm depth sandy soil layer are applied
The table water extinction time schematic diagram of 0.02cm sand-consolidating agent；
Fig. 2 is that 1-7 of the embodiment of the present invention, comparative example 1-4 and control group composite soil surface layer to 20cm depth sandy soil layer are applied
The table water extinction time schematic diagram of 0.04cm sand-consolidating agent；
Fig. 3 is that 1-7 of the embodiment of the present invention, comparative example 1-4 and control group composite soil surface layer to 20cm depth sandy soil layer are applied
The table water extinction time schematic diagram of 0.06cm sand-consolidating agent.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.
According to the first aspect of the invention, a kind of sand-consolidating agent is provided, sand-consolidating agent component includes heteroglycan and cellulose
Derivative；Heteroglycan and the mass ratio of cellulose derivative are (5~15)：(0.5~5).
Heteroglycan, the polysaccharide being made of two or more difference monosaccharide molecule.Heteroglycan existing for nature is usual
Two different monosaccharide are contained only, and mostly in conjunction with lipid or protein, constitutes the sufficiently complex glycolipid of structure and sugared egg
It is white.Heteroglycan generates the monosaccharide or monosaccharide derivatives of more than one (without one kind) when hydrolyzing.Monosaccharide refers in molecular structure and contains
There is the sugar of 3~6 carbon atoms, monosaccharide cannot continue to hydrolyze, and typical monosaccharide is：Triose, tetrose, pentose, hexose etc., it is typical but
Unrestricted heteroglycan is, for example,：Trehalose, hyaluronic acid, chondroitin sulfate, hyaluronic acid, sesbania gum or Artemisia Glue etc..
Cellulose derivative is after the hydroxyl and chemical reagent generation esterification or etherification reaction in cellulosic polymer
Product.Cellulose derivative can be divided into cellulose ether and cellulose esters and fibre according to the design feature of reaction product
Tie up plain ether-ether three categories.Cellulose esters includes but is not limited to cellulose nitrate, cellulose ethanoate, cellulose acetate butyric acid
Ester and cellulose xanthate.Cellulose ethers include but is not limited to methylcellulose, carboxymethyl cellulose, ethyl cellulose, hydroxyl
Ethyl cellulose, cyanethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose etc..Cellulose ether esters include but not
It is limited to nitrate cellulose etc..
Heteroglycan and the mass ratio of cellulose derivative are (5~15)：(0.5~5)；Typical but non-limiting heteroglycan
For example with the mass ratio of cellulose derivative：5:0.5,6:0.5,7:0.5,8:0.5,9:0.5,10:0.5,11:0.5,12:
0.5、13:0.5、14:0.5、15:0.5、5:1、6:1、7:1、8:1、9:1、10:1、11:1、12:1、13:1、14:1、15:1、5:
2、6:2、7:2、8:2、9:2、10:2、11:2、12:2、13:2、14:2、15:2、5:3、6:3、7:3、8:3、9:3、10:3、11:
3、12:3、13:3、14:3、15:3、5:4、6:4、7:4、8:4、9:4、10:4、11:4、12:4、13:4、14:4、15:4、5:5、
6:5,7:5,8:5,9:5,10:5,11:5,12:5,13:5,14:5 or 15:5.To the mass ratio of heteroglycan and cellulose derivative
It optimizes, can rationally guarantee that viscosity is not too big will not be too small, because after heteroglycan and cellulose derivative meet water
Stickiness differs greatly, therefore proportion optimizing, makes have suitable viscosity when its application, while it is very big to guarantee that amount of application does not need,
It economizes on resources, is also unlikely to be that sandy soil closely cohere into bulk.
Since heteroglycan is polymerized by multiple monosaccharide, and containing a large amount of hydroxyl in monosaccharide, hydroxyl and water form hydrogen bond,
Mutually absorption, therefore there is certain vicidity after absorption moisture, it is hydrophilic very capable due to its polyhydroxy structure, with water
Binding ability is strong, i.e., stickiness is strong, unless breaking hydroxyl and water formation hydrogen bond, just will lead to sugar without stickiness, therefore can be with sand
Soil coheres, so that sandy soil be made to have certain viscosity；Cellulose derivative has good water imbibition, and it is enough rapidly by water to meet water energy
Divide and absorb, and there is extremely strong water retaining function, when applying certain moisture to sandy soil, cellulose derivative can be produced rapidly
Raw certain stickiness, can bond to together with sandy soil, and heteroglycan used in conjunction with chance water stickiness is also stronger, therefore,
Proportion optimizing simultaneously, applying a small amount of this sand-consolidating agent is that can reach to be attached to effect together with sandy soil.Heteroglycan and cellulose
Derivative fit applications can change the interaction relationship between sandy soil particle in fixing the sand, and forming sandy soil has cohesion
Pellet pores structure can make the characteristics of fertilizer and moisture are because of its cohesiveness and adhesion in sandy soil using this kind of sand-consolidating agent
It is difficult to be lost, the performance of the stabilization and storage moisture, nutrient that have sandy soil as soil, preferably certain compound proportion,
Sandy soil can be made not cohere blocking, the solid condition of growth can be provided for plant.Meanwhile heteroglycan and cellulose derivative are equal
Can be used as food additives use, and can natural degradation in the environment, due to belonging to glucide, easily by soil
Microorganism utilizes and then is degraded, environmentally protective, does not have any harm to environment.
In a preferred embodiment, heteroglycan and the mass ratio of cellulose derivative are (6~12)：(0.5~
2)；Preferably (8~10)：(0.5~1.5), further preferably 9:1.
The mass ratio of heteroglycan and cellulose derivative is carried out further preferably, due to heteroglycan and cellulose derivative
Viscosity differ greatly, compare heteroglycan, cellulose derivative has extremely strong adhesion and water imbibition, therefore cellulose is derivative
Object should not be put into excessively, avoid using when impose in soil and meet the glutinous bulk that becomes of glue and should not disperse.Therefore, heteroglycan and fiber
Proportion between plain derivative needs limiting in range, neither makes sandy soil gluing at bulk, and guarantee its adhesion simultaneously.
Guarantee certain stickiness and adsorptivity, while guaranteeing sufficiently water suction and certain adhesion effect, amount of application does not have to excessive.
In a preferred embodiment, heteroglycan is the heteroglycan that is polymerized of hexose and/or pentose, preferably oneself
Heteroglycan or hexose that sugar is polymerized and the heteroglycan that pentose is polymerized；What further preferably hexose was polymerized is miscellaneous more
Sugar.
Hexose, also known as hexose are the monosaccharide containing 6 carbon atoms.
Pentose (pentose), the sugar containing 5 carbon atoms in a molecule.In pentose it is most important have ribose (aldose),
Deoxyribose (aldose) and ribulose (ketose).Ribulose is important intermediate metabolites, also known as xylose.
The heteroglycan that typical but non-limiting hexose and pentose are polymerized is, for example, Artemisia Glue, and Artemisia Glue is by grape
The compositions such as sugar, galactolipin, mannose, arabinose, xylose are a kind of polysaccharose substances with cross-linked structure；Wherein, grape
Sugar, galactolipin and mannose are hexoses, and arabinose, xylose belong to pentose.
The heteroglycan that typical but non-limiting hexose is polymerized is, for example, hyaluronic acid or sesbania gum；Hyaluronic acid
The large-scale polysaccharide that basic structure is made of two dissacharide units D-Glucose aldehydic acid and N-acetyl-glucosamine；Sesbania gum is main
Ingredient is D- galactolipin and D-MANNOSE, with 1:2 compositions.
Due to the sand-consolidating agent that heteroglycan is prepared, when use, will water, and the stickiness that various heteroglycan meet water is different, and
And the complexity obtained is different, therefore carries out preferably to the type of heteroglycan, in the case where guaranteeing full-bodied situation, is preferably easy
The heteroglycan of acquisition, preferably full-bodied heteroglycan fewer additionally, due to the higher amount of application of viscosity.
Since hexose and pentose are the sugars of high level in animal and plant body, due to containing a large amount of heteroglycan in plant,
And wherein quite a few is the heteroglycan formed using hexose as monomer, alternatively, it is miscellaneous more to be that monomer is formed by hexose and pentose
Sugar, therefore materials are easier, and can be extracted from plants；Materials are convenient, at low cost, can degrade in nature, and viscosity is high.
In a preferred embodiment, heteroglycan includes sesbania gum and/or Artemisia Glue；Preferably sesbania gum.
Sesbania gum and Artemisia Glue belong to biogum, are easy degradation in nature, and sesbania gum meets that water viscosity is bigger and cost
Lower, materials are easy, and with cellulose derivative with the use of a small amount of cellulose derivative is only needed, viscosity generally compares naturally
Natural plant gum, sodium alginate, starch are 5~10 times high.It is stable, viscosity highest when pH7.0 in the range of pH6~11, when pH3.5 is glutinous
Spend minimum, and the pH of soil is generally near neutral, and soil is easy to be influenced by extraneous factor, make due to being chronically exposed to outside
Use sesbania gum as sand-consolidating agent component, even if since pollution or factor of natural environment change pH, but since sesbania gum exists
It is able to maintain good stability of viscidity within the scope of larger pH, is the good raw material as sand-consolidating agent component therefore.
In a preferred embodiment, cellulose derivative includes cellulose ether and/or carboxymethyl cellulose salt, excellent
It is selected as carboxymethyl cellulose salt, further preferably sodium carboxymethylcellulose；
Preferably, cellulose ether includes methylcellulose, ethyl cellulose, propyl cellulose, hydroxyethyl cellulose, hydroxypropyl
One or more of base cellulose or hydroxypropyl methyl cellulose, preferably hydroxyethyl cellulose.
Cellulose ether is made of cellulose with the high-molecular compound of ether structure.Each grape in cellulose macromolecule
Glycosyl ring contains the primary hydroxyl there are three hydroxyl, on the 6th carbon atom, the secondary hydroxyl on second and third carbon atom, the hydrogen in hydroxyl
Replaced by alkyl and generate cellulose ether derivatives, is the product that the hydrogen of hydroxyl in cellulosic polymer is replaced by alkyl.
Carboxymethyl cellulose salt is the cellulose derivative that glucose polymerization degree is 100~2000, has good moisture absorption
Property.
The sodium salt of sodium carboxymethyl cellulose fibre element carboxymethyl ester belongs to anionic cellulose ether, for white or milky
Fibrous powder or particle have hygroscopicity, are easily dispersed in water at clear gum solution, and 1% aqueous solution pH is 6.5~8.5,
Work as pH>10 or<When 5, rubber cement viscosity can be reduced, and in pH=7, performance is best, more since soil pH is typically near neutral
Number situation will not be strong basicity or highly acid, therefore sodium carboxymethylcellulose is preferred both with water imbibition by with adhesion
Substance.
Cellulose ether substance has good hygroscopicity, therefore is applied to fix the sand and can generate good water conservation work
With carboxymethyl cellulose salt, including sodium carboxymethylcellulose also belong to cellulose ether substance, since its materials is easy, inhale
Moist good, adhesion is relatively stable, within the scope of usual sandy soil pH, has best stickiness.Therefore, it is very suitable as fixing the sand
Agent application.
In a preferred embodiment, hexose includes one or more of glucose, galactolipin or mannose；
Preferably, pentose includes arabinose and/or xylose.
Since glucose, galactolipin, mannose, arabinose and xylose belong to the main sugar substance of plant, exhausted
Content is relatively high in most plants；Therefore, the heteroglycan content formed by these monosaccharide is also high, and materials are easy, from a variety of
Corresponding heteroglycan can be extracted in plant, even if not being extracted from plants, due to above-mentioned hexose or pentose constitute it is miscellaneous
The preparation of polysaccharide is also relatively easy, and the prices of raw materials are cheap, and materials are extensive.
According to the second aspect of the invention, the preparation method of above-mentioned sand-consolidating agent is provided, is included the following steps：It will be miscellaneous more
Sugar and cellulose derivative mixing, obtain sand-consolidating agent.
The preparation method of above-mentioned sand-consolidating agent mixes heteroglycan and cellulose derivative, obtains sand-consolidating agent, easy to operate, easily
In popularization.
According to the third aspect of the present invention, the application method of above-mentioned sand-consolidating agent is provided, is included the following steps：It will fix the sand
Agent imposes on soil surface layer and waters.
Sand-consolidating agent is granted into soil surface layer, sand-consolidating agent ingredient can absorb rapidly moisture after watering, and save moisture, together
When sand-consolidating agent become sticky and play fertilizer conservation effect, and be capable of forming skinning, make sand bed that there is resisting wind erosion, water resistant corrosion.
In a kind of preferred embodiment, the application method of sand-consolidating agent includes the following steps：Sand-consolidating agent is imposed on into soil
Surface layer mixes the sandy soil of sand-consolidating agent and soil surface layer, then waters；
It is preferred that sandy soil and sand-consolidating agent are mixed after application sand-consolidating agent, it is without limitation to hybrid mode, typical but non-limiting
Hybrid mode for example：It turns over.Mixing is in order to make sand-consolidating agent fully dispersed into sandy soil, rather than just covering in sandy soil table
Face；The sand-consolidating agent being distributed in sandy soil, sand-consolidating agent absorbs moisture after watering, and while become sticky, can be with sand
Soil mutually sticks and is formed certain gap, makes sandy soil soil, such sandy soil are after subsequent fertilising or watering, energy
It is enough to preferably keep water and fertilizer in soil, be conducive to plant growth, reach better sand-fixing effect.
Preferably, the sandy soil on soil surface layer are 0~30cm of soil surface layer and do not include the sandy soil of 0cm, preferably 0~25cm
And not include 0cm sandy soil, further preferably 0~20cm and do not include 0cm sandy soil.
The sandy soil on typical but non-limiting soil surface layer be, for example, soil surface layer 5cm, 10cm, 15cm, 20cm, 25cm or
30cm。
Preferably, the application of sand-consolidating agent with a thickness of 0~0.1cm and does not include 0cm, preferably 0.002~0.1cm, into one
Step is preferably 0.003~0.1cm；
Typical but non-limiting sand-consolidating agent applies thickness：0.001cm,0.002cm,0.003cm,0.004cm,
0.005cm、0.006cm、0.007cm、0.008cm、0.009cm、0.01cm、0.02cm、0.03cm、0.04cm、0.05cm、
0.06cm, 0.07cm, 0.08cm, 0.09cm or 0.1.The sandy soil of composite soil surface layer specific thicknesses are conducive to save raw material, subtract
Shaoshi dosage, because of the sandy soil that surface layer is too deep, being on the one hand not readily susceptible to desertify influences, on the other hand the soil too deep with surface layer
Mixing can waste a large amount of sand-consolidating agent, even if applying same sand-consolidating agent quality, the accounting of sand-consolidating agent can also be reduced, and be unfavorable for saving
About.Optimization has been done to the application thickness of sand-consolidating agent, and it is an object of the present invention to provide a reasonable application program, determines in actual use
Rational Application amount reduces amount of application to the greatest extent while reaching good sand-fixing effect.The amount of watering is further limited,
In order to guarantee that sand-consolidating agent while abundant water suction, will not excessively impregnate in water, soil is set to become flood, between sandy soil and sand-consolidating agent
Gap can not be formed, the plant growth of subsequent plantation is equally unfavorable for.
According to the fourth aspect of the present invention, above-mentioned sand-consolidating agent is provided, the preparation method of sand-consolidating agent is prepared consolidates
The application method of husky agent or sand-consolidating agent sandy land agricultural planting, forestry check winds and fix drifting sand or desertification improvement field in
Using.
With advantage identical with above-mentioned sand-consolidating agent, sand-consolidating agent application method.
The present invention is further illustrated below by specific embodiment and comparative example, it should be understood, however, that, these implementations
Example, which is only used for being described in more detail, to be used, and but should not be understood as present invention is limited in any form.
Embodiment 1
A kind of sand-consolidating agent is 9 by mass ratio:1 sesbania gum powder and sodium carboxymethylcellulose composition.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is only that sesbania gum powder and sodium carboxymethylcellulose mass ratio is 15:1.
Embodiment 3
The difference of embodiment 3 and embodiment 1, which is only that, replaces sesbania gum with Artemisia Glue.
Embodiment 4
The difference of embodiment 4 and embodiment 1, which is only that, replaces sesbania gum with sodium alginate.
Embodiment 5
The difference of embodiment 5 and embodiment 1, which is only that, replaces with hydroxyethyl cellulose for sodium carboxymethylcellulose.
Embodiment 6
The difference of embodiment 6 and embodiment 1, which is only that, is changed to cornstalk heteroglycan for sesbania gum.
Embodiment 7
A kind of sand-consolidating agent is 12 by mass ratio:1 Artemisia Glue and hydroxyethyl cellulose composition.
Comparative example 1
The difference of comparative example 1 and embodiment 1, which is only that, is added without sodium carboxymethylcellulose, only using sesbania gum as fixing the sand
Agent.
Comparative example 2
The difference of comparative example 2 and embodiment 1, which is only that, is added without sesbania gum, only using sodium carboxymethylcellulose as fixing the sand
Agent.
Comparative example 3
The difference of comparative example 3 and embodiment 1 is only that the ratio of sesbania gum and sodium carboxymethylcellulose is 35:1.
Comparative example 4
The difference of comparative example 4 and embodiment 1 is only that the ratio of sesbania gum and sodium carboxymethylcellulose is 1:2.
Test example
To totally 36 pieces of area of 0.25 square metre every piece are divided into a piece of sandy land interval, embodiment 1-7 is detected respectively
With the sand-consolidating agent of comparative example 1-4 and set one group of control group for not applying sand-consolidating agent, respectively with 0.02cm, 0.04cm and 0.06cm thickness
The sand-consolidating agent of amount application the embodiment 1-7 and comparative example 1-4 of degree, and the control for not applying sand-consolidating agent is respectively set, turning over makes admittedly
Husky agent is mixed with the soil of soil surface layer 20cm depth, each to dig long 15cm, a width in each 0.25 square metre of land area
The hole of 15cm, depth 10cm, irrigation quality are the water of 1L, detect table water extinction time；Control group does not apply sand-consolidating agent, directly irrigates
Quality is the water of 1L, detects table water extinction time；Testing result see the table below 1, apply the table water extinction time (s) of 0.02cm, such as
Shown in Fig. 1；The table water extinction time (s) of 0.04cm is applied, as shown in Figure 2；The table water extinction time (s) of 0.09cm is applied, such as
Shown in Fig. 3；Sandy soil state is estimated simultaneously, testing result is shown in Table 2.
The table water extinction time testing result of 1 embodiment 1-7 of table and comparative example 1-4
The sandy soil state-detection result of 2 embodiment 1-7 of table and comparative example 1-4
To totally 12 pieces of area of 0.25 square metre every piece are divided into a piece of sandy land interval, Application Example 1-7 respectively
With the sand-consolidating agent of comparative example 1-4 and set one block of soil that compares for not applying sand-consolidating agent, apply sand-consolidating agent with a thickness of 0.05cm, with
After the soil rotary tillage mixing of soil surface layer 20cm depth, irrigation quality is the water of 1L, then same with the same batch of same dose application
Kind chemical fertilizer, each group carry out 3 elution, each 2L water, detection elution front and back soil pH, organic matter, alkali-hydrolyzable nitrogen, available phosphorus, speed
The changes of contents for imitating potassium, determines that fertilizer conservation effect, testing result see the table below 3.
The variation of the elution of table 3 front and back land fertility
By the table water extinction time testing result of embodiment 1-7 in table 1 as it can be seen that changing application sand-consolidating agent in a certain range
Component and amount of application, can reach preferable Water-saving effect, infiltration is quickly.It is compared by embodiment 1 in table 1 and embodiment 2
As a result as it can be seen that the quality of sesbania gum powder and sodium carboxymethylcellulose is 9:It is 15 that Water-saving effect, which is better than mass ratio, when 1:When 1, it is
Preferred proportion, can absorb moisture content more quickly.
By the soil conditions observation result of embodiment 1-7 in table 2 as it can be seen that changing the group of application sand-consolidating agent in a certain range
Point and amount of application, can achieve the effect that reach soil that stickiness is moderate, and soil effect is good.
By the soil fertilizer result of embodiment 1-7 in table 3 as it can be seen that in a certain range change application sand-consolidating agent component and
Amount of application can reach preferable fertilizer conservation effect.
From the comparing result of embodiment 1 in table 1 and embodiment 3 as it can be seen that sesbania gum and the suction with sodium carboxymethylcellulose
Water effect is better than the soaking effect of Artemisia Glue and sodium carboxymethylcellulose cooperation.
By the soaking effect of embodiment 7 in table 1 as it can be seen that the heteroglycan Artemisia Glue formed with hexose with pentose is spread out with cellulose
Biological hydroxyethyl cellulose cooperates in proper proportions, is equally reached preferable soaking effect.
It is compared by the testing result of 1 comparative example 1 and embodiment 1-7 of table as it can be seen that sodium carboxymethylcellulose is added without, only with same
For the sesbania gum of sample quality as sand-consolidating agent, sand-fixing effect is poor.
By the testing result comparison of 2 comparative example 2 of table and embodiment 1-7 as it can be seen that being added without sesbania gum, although can reach compared with
Good soaking effect, but sandy soil is caused to cohere agglomerate.
By the testing result comparison of 2 comparative example 3 of table and embodiment 1-7 as it can be seen that sesbania gum and sodium carboxymethylcellulose are matched
Composition and division in a proportion example is affected to soaking effect, and sesbania gum is excessive, and soaking effect is deteriorated.
By 2 comparative example 4 of table and the comparison of the testing result of embodiment 1-7 as it can be seen that sesbania gum and carboxymethyl cellulose mass ratio
Too low, i.e. addition carboxymethyl cellulose is excessive, will lead to sandy soil and coheres blocking, cannot function as good sand-consolidating agent.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of sand-consolidating agent, which is characterized in that the sand-consolidating agent component includes heteroglycan and cellulose derivative；The heteroglycan
Mass ratio with the cellulose derivative is (5~15)：(0.5~5).
2. sand-consolidating agent described in accordance with the claim 1, which is characterized in that the quality of the heteroglycan and the cellulose derivative
Than for (6~12)：(0.5~2)；Preferably (8~10)：(0.5~1.5), further preferably 9:1.
3. sand-consolidating agent according to claim 1 or 2, which is characterized in that the heteroglycan be hexose and/or pentose polymerization and
At heteroglycan, the preferably heteroglycan that is polymerized of the heteroglycan that is polymerized of hexose or hexose and pentose；Further preferably
The heteroglycan being polymerized for hexose.
4. sand-consolidating agent according to claim 1 or 2, which is characterized in that the heteroglycan includes sesbania gum and/or sand sagebrush (Artemisia filifolia)
Glue；Preferably sesbania gum.
5. sand-consolidating agent according to claim 1 or 2, which is characterized in that the cellulose derivative include cellulose ether and/
Or carboxymethyl cellulose salt, preferably carboxymethyl cellulose salt, further preferably sodium carboxymethylcellulose；
Preferably, the cellulose ether includes methylcellulose, ethyl cellulose, propyl cellulose, hydroxyethyl cellulose, hydroxypropyl
One or more of base cellulose or hydroxypropyl methyl cellulose, preferably hydroxyethyl cellulose.
6. sand-consolidating agent described in accordance with the claim 3, which is characterized in that the hexose includes glucose, galactolipin or mannose
One or more of；
Preferably, the pentose includes arabinose and/or xylose.
7. a kind of preparation method of sand-consolidating agent described in any one of claims 1-6, which is characterized in that include the following steps：It will
Heteroglycan and cellulose derivative mixing, obtain sand-consolidating agent.
8. a kind of application method of sand-consolidating agent described in any one of claims 1-6, which is characterized in that include the following steps：It will
Sand-consolidating agent imposes on soil surface layer and waters.
9. the application method of sand-consolidating agent according to claim 8, which is characterized in that include the following steps：Sand-consolidating agent is applied
In soil surface layer, the sandy soil of sand-consolidating agent and soil surface layer are mixed, are then watered；
Preferably, the sandy soil on the soil surface layer are 0~30cm of soil surface layer and do not include the sandy soil of 0cm, preferably 0~25cm
And not include 0cm sandy soil, further preferably 0~20cm and do not include 0cm sandy soil；
Preferably, the application of the sand-consolidating agent with a thickness of 0~0.1cm and does not include 0cm, preferably 0.002~0.1cm, into one
Step is preferably 0.003~0.1cm.
10. prepared by the preparation method of a kind of sand-consolidating agent described in any one of claims 1-6, sand-consolidating agent as claimed in claim 7
The application method of sand-consolidating agent described in obtained sand-consolidating agent or claim 8 or 9 is solid in sandy land agricultural planting, forestry radix saposhnikoviae
Application in husky or desertification improvement field.
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| CN110205137A (en) * | 2019-06-11 | 2019-09-06 | 天津科技大学 | A kind of biodegrade sand-consolidating agent and preparation method and application |
| CN111149460A (en) * | 2020-01-16 | 2020-05-15 | 西北师范大学 | Method for improving desertification land by combining biochemical material and cash crop planting |
| CN111187627A (en) * | 2020-02-20 | 2020-05-22 | 南通大学 | Low-cost and environment-friendly sand fixing agent and preparation method thereof |
| CN112889625A (en) * | 2021-01-15 | 2021-06-04 | 徐立国 | Application of cellulose and/or cellulose derivative in water retention and sand fixation, composition, soil for desert planting, preparation method and application |
| CN113372918A (en) * | 2021-06-15 | 2021-09-10 | 鲁东大学 | Application of hydrogel in wind prevention and sand fixation |
| CN113735658A (en) * | 2021-07-30 | 2021-12-03 | 中国科学院重庆绿色智能技术研究院 | Green composite material for sandy soil ecological improvement and restoration and preparation method and application thereof |
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