46results about How to "Improve wind erosion resistance" patented technology

The invention discloses a dust suppressing agent prepared on the basis of microorganisms and a use method thereof. The microorganism dust suppressing agent is prepared by mixing a bacterium solution and a calcium-ion solution by proper matching ratio. The use method of the dust suppressing agent comprises the following steps: the dust suppressing agent is uniformly sprayed on the surfaces of raise dusts; according to the actual need, the used amount of the dust suppressing agent for treating the raise dusts with the stacking volume being 1m<3> is 300-400L, and the 1-3 treating times are carried out according to the effect need. The dust suppressing agent has the advantages that the dust suppressing effect is obvious, the evaporative resistance, the wind-erosion resistance and the durability are respectively and greatly superior to those of the sprinkling mode for suppressing dusts when in raise-dust treatment, the greenhouse gas CO2 is absorbed in the reaction process, no toxic and harmful substance is generated, and the environmental friendliness and the economy are good.

The invention discloses a chemical sand fixing agent application device and method. The application device comprises nozzles (1), a liquid distributing plate (2), a liquid conveying pipe (3), a liquid storage tank (4) and a load bearing vehicle (7), wherein a chemical sand fixing agent is stored in the liquid storage tank (4); the liquid distributing plate (2) is communicated with the liquid storage tank (4) through the liquid conveying pipe (3); the chemical sand fixing agent in the liquid storage tank (4) flows into the liquid distributing plate (2) through the liquid conveying pipe (3); the nozzles (1) are vertically and uniformly distributed at the bottom of the liquid distributing plate (2); the chemical sand fixing agent entering the liquid distributing plate (2) is divided into the nozzles (1), and is injected onto sand through the nozzles (1), so as to be applied onto the sand through point injection. According to the chemical sand fixing agent application device and method, the sand fixing effect can be improved, the effective utilization rate of the sand fixing agent is increased, the application amount of the sand fixing agent is reduced, the condition that a water-proof consolidated layer is formed on the surface of a sand bed can be effectively avoided, the adverse effects on soil infiltration performance are reduced, and resistance on seed germination is reduced, so that the recovery rate of desertification can be greatly improved.

The invention relates to a soil structure stabilizer and a preparation method thereof, and belongs to the technical field of soil conditioning. The soil structure stabilizer comprises the following components in percentage by weight: 30%-50% of an adhesive, 30%-50% of a curing agent and 5%-30% of an ion exchanger. The soil structure stabilizer provided by the invention can change the soil structure of an earth-rock slope, improves the properties of soil mechanical strength, water stability, scouring resistance, wind erosion resistance and the like, and has little influence on the growth of vegetation.

The invention relates to a dust suppressant for mineral powder and a preparation method of the dust suppressant. The dust suppressant is obtained by preparing a polymer hydrosol through a copolymerization technique by using an ionic monomer and a nonionic monomer as raw materials, and performing mixing on the polymer hydrosol and a silica sol. According to the dust suppressant provided by the invention, the polymer hydrosol has a low particle size and better bonding ability to the mineral powder; and the silica sol improves cohesive force of the organic polymer, and the shell layer formed by the silica sol has better weathering resistance.

The invention relates to a degradable desert sand fixing agent. The desert sand fixing agent mainly solves the problems of poor wind erosion resistance and non-degradation of existing desert sand fixing agents. The degradable desert sand fixing agent comprises, by mass, 10-40% of a super absorbent, 5-25% of biological organic matters, 5-25% of bentonite, 5-25% of a nutrient element mixture and 5-25% of an organic fertilizer. The degradable desert sand fixing agent well solves the technical problems, and can be used for desert greening ecological restoration.

The invention disclose a soft rock slope soil preventing curing agent which is prepared from the following raw materials: compound resin, chloroprene rubber, maize straws, polyacrylic acid, cement, polyvinyl amine, polyoxyethylene, polyvinyl acetate, polyasparaginic acid, ammonium sulfate and a curing auxiliary agent. The curing agent is good in adhesive property, curing property, flowing propertyand peaceability. Being in contact with a soil mass, high molecular chains diffuse, permeate and wind the surfaces of soil particles and inside of pores to from a netty membrane structure. Meanwhile,a lot of functional groups on the high molecular chains are combined with soil particles through action of chemical bonds, so that the water stability of the soil particles is improved, and meanwhile, the hydrophilic nature on the surfaces of the soil particles are changed to form an effective water repellent ability, so that the erosion resistibility and the weather-proof ability of the soil mass are improved. The curing agent can interact with the soil to bring the benefit of growth and development of vegetations, and can be sprayed and sowed in soil replacement for ecological protection based on curing of the soft rock slope.

The invention relates to the field of mine ecological restoration and environmental governance, in particular to a large tailing pond side slope heavy metal ecological restoration system and application. By arranging a slope restoration module and a constructed wetland restoration module and limiting the specific structures of the slope restoration module and the constructed wetland restoration module and the length relation between the slope restoration module and the constructed wetland restoration module, a tailing pond side slope and slope bottom extension area ecological restoration system is established. After the dam body side slope is safely reinforced and land is renovated, subsequent plant planting is facilitated; the bottom mud and soil of the constructed wetland restoration module is subjected to ecological remediation in a specific period, and a remediation agent is biochar prepared from plants. The ecological system function of the tailing pond side slope and the buffer area of the tailing pond side slope is improved while migration of heavy metal pollutants of the tailing pond side slope is inhibited, ecological resources are recycled, the remediation cost is saved,and the effects of ecological remediation and pollution treatment of the tailing pond are further improved.

The invention relates to a preparation method of a high-molecular chemical sand stabilization material with a continuous structure. The preparation method comprises the following steps: 1, preparing a calcium phosphate oligomer; 2, preparing a free radical initiation system; and 3, preparing the high-molecular sand stabilization material with a continuous structure. The mechanical property of the high-molecular chemical sand-fixing material is improved by weakening the interface repulsion between organic and inorganic materials, and the high-molecular chemical sand-fixing material is characterized in that (1) the mutual fusion of the organic material and the inorganic material is ensured through the cross-linking polymerization of unsaturated monomers/inorganic oligomers at the molecular level and the acting force between multiple molecules; (2) the internal structure of the sand stabilization material is continuous and uniform, and the sand stabilization material has higher mechanical property and wind erosion resistance; and (3) the calcium phosphate oligomer can provide nutrition supply for plant growth.

The invention relates to the technical field of sand-fixing soil-repairing agents, in particular to a wind erosion-resistant modified polyurethane sand-fixing soil-repairing agent and a preparation method. The sand-fixing soil-repairing agent is composed of a component A comprising diatomite modified lignin nitrate and a component B comprising a linear polyurethane pre-polymer. The component A isprepared by taking water and polyethylene glycol according to the weight percentage, adding polyethylene glycol into water, performing even stirring to obtain a lignin derivative solvent, dispersing diatomite into the lignin derivative solvent, adding lignin nitrate, and performing stirring at room temperature for 1-2 h. The component B is prepared by adding an oligomer diol into diisocyanate, performing even stirring and mixing, introducing an inert gas, and adding a hydrophilic chain extender and a non-hydrophilic chain extender for carrying out a reaction. When the sand-fixing soil-repairing agent is used, the two components A and B are thoroughly mixed and sprayed onto a flowing sand surface to carry out a reaction, and thus a polyurethane material for sand-fixing and repairing with high strength and high toughness is formed.

The invention aims to provide a construction method for a sand barrier with a narrow sand-fixing net, which belongs to the technical field of sand control engineering. In the control of desertification, grid sand barriers, sandbag sand barriers, and grass grid sand barriers have been widely used to fix the mobile desert. The above sand barriers have many shortcomings, and it is difficult to achieve convenient construction, low cost and sand fixation effect. it is good. According to the excellent wind erosion resistance function of the narrow sand-fixing net, a construction line with an interval of 40cm to 120cm is drawn on the desert, and the center line of the flattened narrow sand-fixing net overlaps and is spaced parallel to the construction line. Spread a narrow sand-fixing net at 10cm to 12cm, take the sand-fixing net inserter, and insert the narrow sand-fixing net on the desert along the construction line, so that the narrow sand-fixing net is inserted along the construction line, and the construction is narrow Sand-fixing nets and sand barriers achieve the purpose of convenient construction, low cost and good sand-fixing effect.